Home / 1,580,358.85-2,180,660.61-959,841.12

Finding the Fourth Proportional to 1,580,358.85, 2,180,660.61 and 959,841.12

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Solution

The fourth proportional to 1,580,358.85, 2,180,660.61 and 959,841.12 is: 1,324,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,358.85 : 2,180,660.61 = 959,841.12 : x
  2. Step 2: Convert to fraction form
    1,580,358.85/2,180,660.61 = 959,841.12/x
  3. Step 3: Cross multiply
    1,580,358.85x = 2,180,660.61 × 959,841.12
  4. Step 4: Simplify right side
    1,580,358.85x = 2,093,087,712,920.29
  5. Step 5: Solve for x
    x = 2,093,087,712,920.29/1,580,358.85
  6. Step 6: Final answer
    x = 1,324,438.25

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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.