Home / 1,280,910.50-1,767,748.01-707,938.37

Finding the Fourth Proportional to 1,280,910.50, 1,767,748.01 and 707,938.37

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Solution

The fourth proportional to 1,280,910.50, 1,767,748.01 and 707,938.37 is: 977,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,910.50 : 1,767,748.01 = 707,938.37 : x
  2. Step 2: Convert to fraction form
    1,280,910.50/1,767,748.01 = 707,938.37/x
  3. Step 3: Cross multiply
    1,280,910.50x = 1,767,748.01 × 707,938.37
  4. Step 4: Simplify right side
    1,280,910.50x = 1,251,456,644,770.14
  5. Step 5: Solve for x
    x = 1,251,456,644,770.14/1,280,910.50
  6. Step 6: Final answer
    x = 977,005.53

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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.