Home / 1,337,073.58-2,005,750.95-390,446.95

Finding the Fourth Proportional to 1,337,073.58, 2,005,750.95 and 390,446.95

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Solution

The fourth proportional to 1,337,073.58, 2,005,750.95 and 390,446.95 is: 585,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,073.58 : 2,005,750.95 = 390,446.95 : x
  2. Step 2: Convert to fraction form
    1,337,073.58/2,005,750.95 = 390,446.95/x
  3. Step 3: Cross multiply
    1,337,073.58x = 2,005,750.95 × 390,446.95
  4. Step 4: Simplify right side
    1,337,073.58x = 783,139,340,887.10
  5. Step 5: Solve for x
    x = 783,139,340,887.10/1,337,073.58
  6. Step 6: Final answer
    x = 585,711.48

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Double scale
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Similar ratio
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1.5x scale

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.