Home / 1,642,691.50-2,465,020.29-708,803.50

Finding the Fourth Proportional to 1,642,691.50, 2,465,020.29 and 708,803.50

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Solution

The fourth proportional to 1,642,691.50, 2,465,020.29 and 708,803.50 is: 1,063,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,691.50 : 2,465,020.29 = 708,803.50 : x
  2. Step 2: Convert to fraction form
    1,642,691.50/2,465,020.29 = 708,803.50/x
  3. Step 3: Cross multiply
    1,642,691.50x = 2,465,020.29 × 708,803.50
  4. Step 4: Simplify right side
    1,642,691.50x = 1,747,215,009,123.02
  5. Step 5: Solve for x
    x = 1,747,215,009,123.02/1,642,691.50
  6. Step 6: Final answer
    x = 1,063,629.42

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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.