Home / 1,134,681.20-1,565,869.56-625,384.88

Finding the Fourth Proportional to 1,134,681.20, 1,565,869.56 and 625,384.88

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Solution

The fourth proportional to 1,134,681.20, 1,565,869.56 and 625,384.88 is: 863,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,681.20 : 1,565,869.56 = 625,384.88 : x
  2. Step 2: Convert to fraction form
    1,134,681.20/1,565,869.56 = 625,384.88/x
  3. Step 3: Cross multiply
    1,134,681.20x = 1,565,869.56 × 625,384.88
  4. Step 4: Simplify right side
    1,134,681.20x = 979,271,146,876.25
  5. Step 5: Solve for x
    x = 979,271,146,876.25/1,134,681.20
  6. Step 6: Final answer
    x = 863,036.37

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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.