Home / 1,339,071.52-2,008,607.28-392,442.40

Finding the Fourth Proportional to 1,339,071.52, 2,008,607.28 and 392,442.40

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Solution

The fourth proportional to 1,339,071.52, 2,008,607.28 and 392,442.40 is: 588,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,071.52 : 2,008,607.28 = 392,442.40 : x
  2. Step 2: Convert to fraction form
    1,339,071.52/2,008,607.28 = 392,442.40/x
  3. Step 3: Cross multiply
    1,339,071.52x = 2,008,607.28 × 392,442.40
  4. Step 4: Simplify right side
    1,339,071.52x = 788,262,661,620.67
  5. Step 5: Solve for x
    x = 788,262,661,620.67/1,339,071.52
  6. Step 6: Final answer
    x = 588,663.60

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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.