Home / 1,337,068.57-2,005,743.45-390,441.95

Finding the Fourth Proportional to 1,337,068.57, 2,005,743.45 and 390,441.95

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Solution

The fourth proportional to 1,337,068.57, 2,005,743.45 and 390,441.95 is: 585,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,068.57 : 2,005,743.45 = 390,441.95 : x
  2. Step 2: Convert to fraction form
    1,337,068.57/2,005,743.45 = 390,441.95/x
  3. Step 3: Cross multiply
    1,337,068.57x = 2,005,743.45 × 390,441.95
  4. Step 4: Simplify right side
    1,337,068.57x = 783,126,383,817.73
  5. Step 5: Solve for x
    x = 783,126,383,817.73/1,337,068.57
  6. Step 6: Final answer
    x = 585,703.98

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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.