Home / 985,542.80-1,478,314.20-670,614.80

Finding the Fourth Proportional to 985,542.80, 1,478,314.20 and 670,614.80

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Solution

The fourth proportional to 985,542.80, 1,478,314.20 and 670,614.80 is: 1,005,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,542.80 : 1,478,314.20 = 670,614.80 : x
  2. Step 2: Convert to fraction form
    985,542.80/1,478,314.20 = 670,614.80/x
  3. Step 3: Cross multiply
    985,542.80x = 1,478,314.20 × 670,614.80
  4. Step 4: Simplify right side
    985,542.80x = 991,379,381,570.16
  5. Step 5: Solve for x
    x = 991,379,381,570.16/985,542.80
  6. Step 6: Final answer
    x = 1,005,922.20

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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.