Home / 1,038,042.20-1,557,063.30-869,752.55

Finding the Fourth Proportional to 1,038,042.20, 1,557,063.30 and 869,752.55

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Solution

The fourth proportional to 1,038,042.20, 1,557,063.30 and 869,752.55 is: 1,304,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,042.20 : 1,557,063.30 = 869,752.55 : x
  2. Step 2: Convert to fraction form
    1,038,042.20/1,557,063.30 = 869,752.55/x
  3. Step 3: Cross multiply
    1,038,042.20x = 1,557,063.30 × 869,752.55
  4. Step 4: Simplify right side
    1,038,042.20x = 1,354,259,775,686.42
  5. Step 5: Solve for x
    x = 1,354,259,775,686.42/1,038,042.20
  6. Step 6: Final answer
    x = 1,304,628.83

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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.