Home / 1,325,424.90-1,988,720.55-615,087.30

Finding the Fourth Proportional to 1,325,424.90, 1,988,720.55 and 615,087.30

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Solution

The fourth proportional to 1,325,424.90, 1,988,720.55 and 615,087.30 is: 922,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,424.90 : 1,988,720.55 = 615,087.30 : x
  2. Step 2: Convert to fraction form
    1,325,424.90/1,988,720.55 = 615,087.30/x
  3. Step 3: Cross multiply
    1,325,424.90x = 1,988,720.55 × 615,087.30
  4. Step 4: Simplify right side
    1,325,424.90x = 1,223,236,753,554.02
  5. Step 5: Solve for x
    x = 1,223,236,753,554.02/1,325,424.90
  6. Step 6: Final answer
    x = 922,901.59

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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.