Home / 1,754,921.75-2,421,808.05-1,029,781.55

Finding the Fourth Proportional to 1,754,921.75, 2,421,808.05 and 1,029,781.55

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Solution

The fourth proportional to 1,754,921.75, 2,421,808.05 and 1,029,781.55 is: 1,421,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,921.75 : 2,421,808.05 = 1,029,781.55 : x
  2. Step 2: Convert to fraction form
    1,754,921.75/2,421,808.05 = 1,029,781.55/x
  3. Step 3: Cross multiply
    1,754,921.75x = 2,421,808.05 × 1,029,781.55
  4. Step 4: Simplify right side
    1,754,921.75x = 2,493,933,251,655.16
  5. Step 5: Solve for x
    x = 2,493,933,251,655.16/1,754,921.75
  6. Step 6: Final answer
    x = 1,421,107.95

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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.