Home / 1,280,946.52-1,767,797.76-707,974.30

Finding the Fourth Proportional to 1,280,946.52, 1,767,797.76 and 707,974.30

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Solution

The fourth proportional to 1,280,946.52, 1,767,797.76 and 707,974.30 is: 977,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,946.52 : 1,767,797.76 = 707,974.30 : x
  2. Step 2: Convert to fraction form
    1,280,946.52/1,767,797.76 = 707,974.30/x
  3. Step 3: Cross multiply
    1,280,946.52x = 1,767,797.76 × 707,974.30
  4. Step 4: Simplify right side
    1,280,946.52x = 1,251,555,381,677.57
  5. Step 5: Solve for x
    x = 1,251,555,381,677.57/1,280,946.52
  6. Step 6: Final answer
    x = 977,055.14

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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.