Home / 1,013,125.86-1,398,124.71-554,230.55

Finding the Fourth Proportional to 1,013,125.86, 1,398,124.71 and 554,230.55

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Solution

The fourth proportional to 1,013,125.86, 1,398,124.71 and 554,230.55 is: 764,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,125.86 : 1,398,124.71 = 554,230.55 : x
  2. Step 2: Convert to fraction form
    1,013,125.86/1,398,124.71 = 554,230.55/x
  3. Step 3: Cross multiply
    1,013,125.86x = 1,398,124.71 × 554,230.55
  4. Step 4: Simplify right side
    1,013,125.86x = 774,883,420,001.27
  5. Step 5: Solve for x
    x = 774,883,420,001.27/1,013,125.86
  6. Step 6: Final answer
    x = 764,844.18

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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.