Home / 1,011,270.52-1,516,318.92-478,787.08

Finding the Fourth Proportional to 1,011,270.52, 1,516,318.92 and 478,787.08

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Solution

The fourth proportional to 1,011,270.52, 1,516,318.92 and 478,787.08 is: 717,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,270.52 : 1,516,318.92 = 478,787.08 : x
  2. Step 2: Convert to fraction form
    1,011,270.52/1,516,318.92 = 478,787.08/x
  3. Step 3: Cross multiply
    1,011,270.52x = 1,516,318.92 × 478,787.08
  4. Step 4: Simplify right side
    1,011,270.52x = 725,993,908,055.55
  5. Step 5: Solve for x
    x = 725,993,908,055.55/1,011,270.52
  6. Step 6: Final answer
    x = 717,902.77

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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.