Home / 998,820.71-1,377,453.34-654,531.59

Finding the Fourth Proportional to 998,820.71, 1,377,453.34 and 654,531.59

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Solution

The fourth proportional to 998,820.71, 1,377,453.34 and 654,531.59 is: 902,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,820.71 : 1,377,453.34 = 654,531.59 : x
  2. Step 2: Convert to fraction form
    998,820.71/1,377,453.34 = 654,531.59/x
  3. Step 3: Cross multiply
    998,820.71x = 1,377,453.34 × 654,531.59
  4. Step 4: Simplify right side
    998,820.71x = 901,586,724,781.01
  5. Step 5: Solve for x
    x = 901,586,724,781.01/998,820.71
  6. Step 6: Final answer
    x = 902,651.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.