Home / 1,118,323.69-1,677,485.54-276,875.44

Finding the Fourth Proportional to 1,118,323.69, 1,677,485.54 and 276,875.44

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Solution

The fourth proportional to 1,118,323.69, 1,677,485.54 and 276,875.44 is: 415,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,323.69 : 1,677,485.54 = 276,875.44 : x
  2. Step 2: Convert to fraction form
    1,118,323.69/1,677,485.54 = 276,875.44/x
  3. Step 3: Cross multiply
    1,118,323.69x = 1,677,485.54 × 276,875.44
  4. Step 4: Simplify right side
    1,118,323.69x = 464,454,543,479.61
  5. Step 5: Solve for x
    x = 464,454,543,479.61/1,118,323.69
  6. Step 6: Final answer
    x = 415,313.16

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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.