Home / 1,259,482.50-1,738,060.02-686,517.66

Finding the Fourth Proportional to 1,259,482.50, 1,738,060.02 and 686,517.66

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Solution

The fourth proportional to 1,259,482.50, 1,738,060.02 and 686,517.66 is: 947,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,482.50 : 1,738,060.02 = 686,517.66 : x
  2. Step 2: Convert to fraction form
    1,259,482.50/1,738,060.02 = 686,517.66/x
  3. Step 3: Cross multiply
    1,259,482.50x = 1,738,060.02 × 686,517.66
  4. Step 4: Simplify right side
    1,259,482.50x = 1,193,208,897,869.95
  5. Step 5: Solve for x
    x = 1,193,208,897,869.95/1,259,482.50
  6. Step 6: Final answer
    x = 947,380.29

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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.