Home / 1,006,706.79-1,389,255.60-553,997.79

Finding the Fourth Proportional to 1,006,706.79, 1,389,255.60 and 553,997.79

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Solution

The fourth proportional to 1,006,706.79, 1,389,255.60 and 553,997.79 is: 764,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,706.79 : 1,389,255.60 = 553,997.79 : x
  2. Step 2: Convert to fraction form
    1,006,706.79/1,389,255.60 = 553,997.79/x
  3. Step 3: Cross multiply
    1,006,706.79x = 1,389,255.60 × 553,997.79
  4. Step 4: Simplify right side
    1,006,706.79x = 769,644,531,106.38
  5. Step 5: Solve for x
    x = 769,644,531,106.38/1,006,706.79
  6. Step 6: Final answer
    x = 764,517.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.