Home / 1,325,423.70-1,989,172.35-615,539.70

Finding the Fourth Proportional to 1,325,423.70, 1,989,172.35 and 615,539.70

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Solution

The fourth proportional to 1,325,423.70, 1,989,172.35 and 615,539.70 is: 923,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,423.70 : 1,989,172.35 = 615,539.70 : x
  2. Step 2: Convert to fraction form
    1,325,423.70/1,989,172.35 = 615,539.70/x
  3. Step 3: Cross multiply
    1,325,423.70x = 1,989,172.35 × 615,539.70
  4. Step 4: Simplify right side
    1,325,423.70x = 1,224,414,551,567.30
  5. Step 5: Solve for x
    x = 1,224,414,551,567.30/1,325,423.70
  6. Step 6: Final answer
    x = 923,791.05

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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.