Home / 1,123,298.40-1,684,947.60-365,138.40

Finding the Fourth Proportional to 1,123,298.40, 1,684,947.60 and 365,138.40

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Solution

The fourth proportional to 1,123,298.40, 1,684,947.60 and 365,138.40 is: 547,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,298.40 : 1,684,947.60 = 365,138.40 : x
  2. Step 2: Convert to fraction form
    1,123,298.40/1,684,947.60 = 365,138.40/x
  3. Step 3: Cross multiply
    1,123,298.40x = 1,684,947.60 × 365,138.40
  4. Step 4: Simplify right side
    1,123,298.40x = 615,239,070,747.84
  5. Step 5: Solve for x
    x = 615,239,070,747.84/1,123,298.40
  6. Step 6: Final answer
    x = 547,707.60

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Double scale
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Similar ratio
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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.