Home / 1,145,288.97-1,717,227.81-387,059.04

Finding the Fourth Proportional to 1,145,288.97, 1,717,227.81 and 387,059.04

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Solution

The fourth proportional to 1,145,288.97, 1,717,227.81 and 387,059.04 is: 580,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,288.97 : 1,717,227.81 = 387,059.04 : x
  2. Step 2: Convert to fraction form
    1,145,288.97/1,717,227.81 = 387,059.04/x
  3. Step 3: Cross multiply
    1,145,288.97x = 1,717,227.81 × 387,059.04
  4. Step 4: Simplify right side
    1,145,288.97x = 664,668,547,599.90
  5. Step 5: Solve for x
    x = 664,668,547,599.90/1,145,288.97
  6. Step 6: Final answer
    x = 580,350.08

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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.