Home / 1,418,040.32-1,957,853.88-1,090,772.17

Finding the Fourth Proportional to 1,418,040.32, 1,957,853.88 and 1,090,772.17

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Solution

The fourth proportional to 1,418,040.32, 1,957,853.88 and 1,090,772.17 is: 1,506,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,040.32 : 1,957,853.88 = 1,090,772.17 : x
  2. Step 2: Convert to fraction form
    1,418,040.32/1,957,853.88 = 1,090,772.17/x
  3. Step 3: Cross multiply
    1,418,040.32x = 1,957,853.88 × 1,090,772.17
  4. Step 4: Simplify right side
    1,418,040.32x = 2,135,572,520,335.88
  5. Step 5: Solve for x
    x = 2,135,572,520,335.88/1,418,040.32
  6. Step 6: Final answer
    x = 1,506,002.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.