Home / 1,247,475.75-1,870,931.43-572,908.59

Finding the Fourth Proportional to 1,247,475.75, 1,870,931.43 and 572,908.59

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Solution

The fourth proportional to 1,247,475.75, 1,870,931.43 and 572,908.59 is: 859,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,475.75 : 1,870,931.43 = 572,908.59 : x
  2. Step 2: Convert to fraction form
    1,247,475.75/1,870,931.43 = 572,908.59/x
  3. Step 3: Cross multiply
    1,247,475.75x = 1,870,931.43 × 572,908.59
  4. Step 4: Simplify right side
    1,247,475.75x = 1,071,872,687,547.98
  5. Step 5: Solve for x
    x = 1,071,872,687,547.98/1,247,475.75
  6. Step 6: Final answer
    x = 859,233.29

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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.