Home / 1,390,755.23-2,089,330.25-981,366.56

Finding the Fourth Proportional to 1,390,755.23, 2,089,330.25 and 981,366.56

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Solution

The fourth proportional to 1,390,755.23, 2,089,330.25 and 981,366.56 is: 1,474,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,755.23 : 2,089,330.25 = 981,366.56 : x
  2. Step 2: Convert to fraction form
    1,390,755.23/2,089,330.25 = 981,366.56/x
  3. Step 3: Cross multiply
    1,390,755.23x = 2,089,330.25 × 981,366.56
  4. Step 4: Simplify right side
    1,390,755.23x = 2,050,398,824,792.96
  5. Step 5: Solve for x
    x = 2,050,398,824,792.96/1,390,755.23
  6. Step 6: Final answer
    x = 1,474,306.04

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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.