Home / 1,370,291.28-2,055,436.92-423,641.04

Finding the Fourth Proportional to 1,370,291.28, 2,055,436.92 and 423,641.04

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Solution

The fourth proportional to 1,370,291.28, 2,055,436.92 and 423,641.04 is: 635,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,291.28 : 2,055,436.92 = 423,641.04 : x
  2. Step 2: Convert to fraction form
    1,370,291.28/2,055,436.92 = 423,641.04/x
  3. Step 3: Cross multiply
    1,370,291.28x = 2,055,436.92 × 423,641.04
  4. Step 4: Simplify right side
    1,370,291.28x = 870,767,434,443.20
  5. Step 5: Solve for x
    x = 870,767,434,443.20/1,370,291.28
  6. Step 6: Final answer
    x = 635,461.56

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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.