Home / 1,246,115.20-1,870,401.60-615,740.80

Finding the Fourth Proportional to 1,246,115.20, 1,870,401.60 and 615,740.80

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Solution

The fourth proportional to 1,246,115.20, 1,870,401.60 and 615,740.80 is: 924,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,115.20 : 1,870,401.60 = 615,740.80 : x
  2. Step 2: Convert to fraction form
    1,246,115.20/1,870,401.60 = 615,740.80/x
  3. Step 3: Cross multiply
    1,246,115.20x = 1,870,401.60 × 615,740.80
  4. Step 4: Simplify right side
    1,246,115.20x = 1,151,682,577,505.28
  5. Step 5: Solve for x
    x = 1,151,682,577,505.28/1,246,115.20
  6. Step 6: Final answer
    x = 924,218.38

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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.