Home / 1,147,658.20-1,719,413.70-981,770.20

Finding the Fourth Proportional to 1,147,658.20, 1,719,413.70 and 981,770.20

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Solution

The fourth proportional to 1,147,658.20, 1,719,413.70 and 981,770.20 is: 1,470,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,658.20 : 1,719,413.70 = 981,770.20 : x
  2. Step 2: Convert to fraction form
    1,147,658.20/1,719,413.70 = 981,770.20/x
  3. Step 3: Cross multiply
    1,147,658.20x = 1,719,413.70 × 981,770.20
  4. Step 4: Simplify right side
    1,147,658.20x = 1,688,069,132,131.74
  5. Step 5: Solve for x
    x = 1,688,069,132,131.74/1,147,658.20
  6. Step 6: Final answer
    x = 1,470,881.43

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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.