Home / 1,418,077.32-2,127,114.88-420,805.32

Finding the Fourth Proportional to 1,418,077.32, 2,127,114.88 and 420,805.32

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Solution

The fourth proportional to 1,418,077.32, 2,127,114.88 and 420,805.32 is: 631,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,077.32 : 2,127,114.88 = 420,805.32 : x
  2. Step 2: Convert to fraction form
    1,418,077.32/2,127,114.88 = 420,805.32/x
  3. Step 3: Cross multiply
    1,418,077.32x = 2,127,114.88 × 420,805.32
  4. Step 4: Simplify right side
    1,418,077.32x = 895,101,257,755.16
  5. Step 5: Solve for x
    x = 895,101,257,755.16/1,418,077.32
  6. Step 6: Final answer
    x = 631,207.65

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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.