Home / 1,135,720.80-1,702,414.80-662,162.40

Finding the Fourth Proportional to 1,135,720.80, 1,702,414.80 and 662,162.40

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Solution

The fourth proportional to 1,135,720.80, 1,702,414.80 and 662,162.40 is: 992,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,720.80 : 1,702,414.80 = 662,162.40 : x
  2. Step 2: Convert to fraction form
    1,135,720.80/1,702,414.80 = 662,162.40/x
  3. Step 3: Cross multiply
    1,135,720.80x = 1,702,414.80 × 662,162.40
  4. Step 4: Simplify right side
    1,135,720.80x = 1,127,275,069,763.52
  5. Step 5: Solve for x
    x = 1,127,275,069,763.52/1,135,720.80
  6. Step 6: Final answer
    x = 992,563.55

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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.