Home / 3,120,959.77-4,681,439.60-877,097.77

Finding the Fourth Proportional to 3,120,959.77, 4,681,439.60 and 877,097.77

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Solution

The fourth proportional to 3,120,959.77, 4,681,439.60 and 877,097.77 is: 1,315,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,959.77 : 4,681,439.60 = 877,097.77 : x
  2. Step 2: Convert to fraction form
    3,120,959.77/4,681,439.60 = 877,097.77/x
  3. Step 3: Cross multiply
    3,120,959.77x = 4,681,439.60 × 877,097.77
  4. Step 4: Simplify right side
    3,120,959.77x = 4,106,080,222,394.28
  5. Step 5: Solve for x
    x = 4,106,080,222,394.28/3,120,959.77
  6. Step 6: Final answer
    x = 1,315,646.64

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.