Home / 1,036,220.90-1,551,220.95-615,280.10

Finding the Fourth Proportional to 1,036,220.90, 1,551,220.95 and 615,280.10

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Solution

The fourth proportional to 1,036,220.90, 1,551,220.95 and 615,280.10 is: 921,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,220.90 : 1,551,220.95 = 615,280.10 : x
  2. Step 2: Convert to fraction form
    1,036,220.90/1,551,220.95 = 615,280.10/x
  3. Step 3: Cross multiply
    1,036,220.90x = 1,551,220.95 × 615,280.10
  4. Step 4: Simplify right side
    1,036,220.90x = 954,435,381,238.10
  5. Step 5: Solve for x
    x = 954,435,381,238.10/1,036,220.90
  6. Step 6: Final answer
    x = 921,073.28

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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.