Home / 1,126,080.64-1,689,120.96-284,632.39

Finding the Fourth Proportional to 1,126,080.64, 1,689,120.96 and 284,632.39

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Solution

The fourth proportional to 1,126,080.64, 1,689,120.96 and 284,632.39 is: 426,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,080.64 : 1,689,120.96 = 284,632.39 : x
  2. Step 2: Convert to fraction form
    1,126,080.64/1,689,120.96 = 284,632.39/x
  3. Step 3: Cross multiply
    1,126,080.64x = 1,689,120.96 × 284,632.39
  4. Step 4: Simplify right side
    1,126,080.64x = 480,778,525,975.13
  5. Step 5: Solve for x
    x = 480,778,525,975.13/1,126,080.64
  6. Step 6: Final answer
    x = 426,948.58

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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.