Home / 1,142,042.40-1,575,976.40-658,627.68

Finding the Fourth Proportional to 1,142,042.40, 1,575,976.40 and 658,627.68

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Solution

The fourth proportional to 1,142,042.40, 1,575,976.40 and 658,627.68 is: 908,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,042.40 : 1,575,976.40 = 658,627.68 : x
  2. Step 2: Convert to fraction form
    1,142,042.40/1,575,976.40 = 658,627.68/x
  3. Step 3: Cross multiply
    1,142,042.40x = 1,575,976.40 × 658,627.68
  4. Step 4: Simplify right side
    1,142,042.40x = 1,037,981,680,066.75
  5. Step 5: Solve for x
    x = 1,037,981,680,066.75/1,142,042.40
  6. Step 6: Final answer
    x = 908,881.91

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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.