Home / 1,036,219.90-1,551,219.45-615,279.10

Finding the Fourth Proportional to 1,036,219.90, 1,551,219.45 and 615,279.10

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Solution

The fourth proportional to 1,036,219.90, 1,551,219.45 and 615,279.10 is: 921,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,219.90 : 1,551,219.45 = 615,279.10 : x
  2. Step 2: Convert to fraction form
    1,036,219.90/1,551,219.45 = 615,279.10/x
  3. Step 3: Cross multiply
    1,036,219.90x = 1,551,219.45 × 615,279.10
  4. Step 4: Simplify right side
    1,036,219.90x = 954,432,907,098.50
  5. Step 5: Solve for x
    x = 954,432,907,098.50/1,036,219.90
  6. Step 6: Final answer
    x = 921,071.78

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Double scale
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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.