Home / 729,026.40-1,093,539.60-687,692.10

Finding the Fourth Proportional to 729,026.40, 1,093,539.60 and 687,692.10

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Solution

The fourth proportional to 729,026.40, 1,093,539.60 and 687,692.10 is: 1,031,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,026.40 : 1,093,539.60 = 687,692.10 : x
  2. Step 2: Convert to fraction form
    729,026.40/1,093,539.60 = 687,692.10/x
  3. Step 3: Cross multiply
    729,026.40x = 1,093,539.60 × 687,692.10
  4. Step 4: Simplify right side
    729,026.40x = 752,018,543,957.16
  5. Step 5: Solve for x
    x = 752,018,543,957.16/729,026.40
  6. Step 6: Final answer
    x = 1,031,538.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.