Home / 1,172,232.30-1,756,337.63-787,259.55

Finding the Fourth Proportional to 1,172,232.30, 1,756,337.63 and 787,259.55

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Solution

The fourth proportional to 1,172,232.30, 1,756,337.63 and 787,259.55 is: 1,179,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,232.30 : 1,756,337.63 = 787,259.55 : x
  2. Step 2: Convert to fraction form
    1,172,232.30/1,756,337.63 = 787,259.55/x
  3. Step 3: Cross multiply
    1,172,232.30x = 1,756,337.63 × 787,259.55
  4. Step 4: Simplify right side
    1,172,232.30x = 1,382,693,579,320.17
  5. Step 5: Solve for x
    x = 1,382,693,579,320.17/1,172,232.30
  6. Step 6: Final answer
    x = 1,179,538.88

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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.