Home / 1,001,395.79-1,381,981.52-571,813.91

Finding the Fourth Proportional to 1,001,395.79, 1,381,981.52 and 571,813.91

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Solution

The fourth proportional to 1,001,395.79, 1,381,981.52 and 571,813.91 is: 789,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,395.79 : 1,381,981.52 = 571,813.91 : x
  2. Step 2: Convert to fraction form
    1,001,395.79/1,381,981.52 = 571,813.91/x
  3. Step 3: Cross multiply
    1,001,395.79x = 1,381,981.52 × 571,813.91
  4. Step 4: Simplify right side
    1,001,395.79x = 790,236,251,018.57
  5. Step 5: Solve for x
    x = 790,236,251,018.57/1,001,395.79
  6. Step 6: Final answer
    x = 789,134.79

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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.