Home / 1,280,937.90-1,767,701.22-700,161.82

Finding the Fourth Proportional to 1,280,937.90, 1,767,701.22 and 700,161.82

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Solution

The fourth proportional to 1,280,937.90, 1,767,701.22 and 700,161.82 is: 966,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,937.90 : 1,767,701.22 = 700,161.82 : x
  2. Step 2: Convert to fraction form
    1,280,937.90/1,767,701.22 = 700,161.82/x
  3. Step 3: Cross multiply
    1,280,937.90x = 1,767,701.22 × 700,161.82
  4. Step 4: Simplify right side
    1,280,937.90x = 1,237,676,910,248.29
  5. Step 5: Solve for x
    x = 1,237,676,910,248.29/1,280,937.90
  6. Step 6: Final answer
    x = 966,227.10

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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.