Home / 1,418,078.32-2,127,116.38-420,806.32

Finding the Fourth Proportional to 1,418,078.32, 2,127,116.38 and 420,806.32

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Solution

The fourth proportional to 1,418,078.32, 2,127,116.38 and 420,806.32 is: 631,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,078.32 : 2,127,116.38 = 420,806.32 : x
  2. Step 2: Convert to fraction form
    1,418,078.32/2,127,116.38 = 420,806.32/x
  3. Step 3: Cross multiply
    1,418,078.32x = 2,127,116.38 × 420,806.32
  4. Step 4: Simplify right side
    1,418,078.32x = 895,104,016,079.52
  5. Step 5: Solve for x
    x = 895,104,016,079.52/1,418,078.32
  6. Step 6: Final answer
    x = 631,209.15

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1.5x scale

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.