Home / 1,059,193.20-1,462,390.40-813,740.72

Finding the Fourth Proportional to 1,059,193.20, 1,462,390.40 and 813,740.72

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Solution

The fourth proportional to 1,059,193.20, 1,462,390.40 and 813,740.72 is: 1,123,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,193.20 : 1,462,390.40 = 813,740.72 : x
  2. Step 2: Convert to fraction form
    1,059,193.20/1,462,390.40 = 813,740.72/x
  3. Step 3: Cross multiply
    1,059,193.20x = 1,462,390.40 × 813,740.72
  4. Step 4: Simplify right side
    1,059,193.20x = 1,190,006,617,017.09
  5. Step 5: Solve for x
    x = 1,190,006,617,017.09/1,059,193.20
  6. Step 6: Final answer
    x = 1,123,502.89

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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.