Home / 980,923.80-1,471,385.70-904,160.10

Finding the Fourth Proportional to 980,923.80, 1,471,385.70 and 904,160.10

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Solution

The fourth proportional to 980,923.80, 1,471,385.70 and 904,160.10 is: 1,356,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,923.80 : 1,471,385.70 = 904,160.10 : x
  2. Step 2: Convert to fraction form
    980,923.80/1,471,385.70 = 904,160.10/x
  3. Step 3: Cross multiply
    980,923.80x = 1,471,385.70 × 904,160.10
  4. Step 4: Simplify right side
    980,923.80x = 1,330,368,241,650.57
  5. Step 5: Solve for x
    x = 1,330,368,241,650.57/980,923.80
  6. Step 6: Final answer
    x = 1,356,240.15

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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.