Home / 1,046,321.28-1,443,970.80-616,619.52

Finding the Fourth Proportional to 1,046,321.28, 1,443,970.80 and 616,619.52

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Solution

The fourth proportional to 1,046,321.28, 1,443,970.80 and 616,619.52 is: 850,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,321.28 : 1,443,970.80 = 616,619.52 : x
  2. Step 2: Convert to fraction form
    1,046,321.28/1,443,970.80 = 616,619.52/x
  3. Step 3: Cross multiply
    1,046,321.28x = 1,443,970.80 × 616,619.52
  4. Step 4: Simplify right side
    1,046,321.28x = 890,380,581,590.02
  5. Step 5: Solve for x
    x = 890,380,581,590.02/1,046,321.28
  6. Step 6: Final answer
    x = 850,962.89

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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.