Home / 1,280,925.52-1,767,768.72-707,953.36

Finding the Fourth Proportional to 1,280,925.52, 1,767,768.72 and 707,953.36

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Solution

The fourth proportional to 1,280,925.52, 1,767,768.72 and 707,953.36 is: 977,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,925.52 : 1,767,768.72 = 707,953.36 : x
  2. Step 2: Convert to fraction form
    1,280,925.52/1,767,768.72 = 707,953.36/x
  3. Step 3: Cross multiply
    1,280,925.52x = 1,767,768.72 × 707,953.36
  4. Step 4: Simplify right side
    1,280,925.52x = 1,251,497,805,026.90
  5. Step 5: Solve for x
    x = 1,251,497,805,026.90/1,280,925.52
  6. Step 6: Final answer
    x = 977,026.21

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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.