Home / 1,103,654.40-1,656,110.40-429,648.24

Finding the Fourth Proportional to 1,103,654.40, 1,656,110.40 and 429,648.24

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Solution

The fourth proportional to 1,103,654.40, 1,656,110.40 and 429,648.24 is: 644,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,654.40 : 1,656,110.40 = 429,648.24 : x
  2. Step 2: Convert to fraction form
    1,103,654.40/1,656,110.40 = 429,648.24/x
  3. Step 3: Cross multiply
    1,103,654.40x = 1,656,110.40 × 429,648.24
  4. Step 4: Simplify right side
    1,103,654.40x = 711,544,918,605.70
  5. Step 5: Solve for x
    x = 711,544,918,605.70/1,103,654.40
  6. Step 6: Final answer
    x = 644,717.15

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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.