Home / 1,280,616.42-1,767,251.30-707,656.60

Finding the Fourth Proportional to 1,280,616.42, 1,767,251.30 and 707,656.60

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Solution

The fourth proportional to 1,280,616.42, 1,767,251.30 and 707,656.60 is: 976,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,616.42 : 1,767,251.30 = 707,656.60 : x
  2. Step 2: Convert to fraction form
    1,280,616.42/1,767,251.30 = 707,656.60/x
  3. Step 3: Cross multiply
    1,280,616.42x = 1,767,251.30 × 707,656.60
  4. Step 4: Simplify right side
    1,280,616.42x = 1,250,607,044,974.36
  5. Step 5: Solve for x
    x = 1,250,607,044,974.36/1,280,616.42
  6. Step 6: Final answer
    x = 976,566.46

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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.