Home / 781,602.60-1,172,403.90-729,114.60

Finding the Fourth Proportional to 781,602.60, 1,172,403.90 and 729,114.60

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Solution

The fourth proportional to 781,602.60, 1,172,403.90 and 729,114.60 is: 1,093,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,602.60 : 1,172,403.90 = 729,114.60 : x
  2. Step 2: Convert to fraction form
    781,602.60/1,172,403.90 = 729,114.60/x
  3. Step 3: Cross multiply
    781,602.60x = 1,172,403.90 × 729,114.60
  4. Step 4: Simplify right side
    781,602.60x = 854,816,800,586.94
  5. Step 5: Solve for x
    x = 854,816,800,586.94/781,602.60
  6. Step 6: Final answer
    x = 1,093,671.90

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1.5x scale

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.