Home / 1,242,510.40-1,863,558-344,042.96

Finding the Fourth Proportional to 1,242,510.40, 1,863,558 and 344,042.96

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Solution

The fourth proportional to 1,242,510.40, 1,863,558 and 344,042.96 is: 516,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,510.40 : 1,863,558 = 344,042.96 : x
  2. Step 2: Convert to fraction form
    1,242,510.40/1,863,558 = 344,042.96/x
  3. Step 3: Cross multiply
    1,242,510.40x = 1,863,558 × 344,042.96
  4. Step 4: Simplify right side
    1,242,510.40x = 641,144,010,451.68
  5. Step 5: Solve for x
    x = 641,144,010,451.68/1,242,510.40
  6. Step 6: Final answer
    x = 516,006.96

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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.