Home / 1,030,781.51-1,422,430.27-571,891.20

Finding the Fourth Proportional to 1,030,781.51, 1,422,430.27 and 571,891.20

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Solution

The fourth proportional to 1,030,781.51, 1,422,430.27 and 571,891.20 is: 789,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,781.51 : 1,422,430.27 = 571,891.20 : x
  2. Step 2: Convert to fraction form
    1,030,781.51/1,422,430.27 = 571,891.20/x
  3. Step 3: Cross multiply
    1,030,781.51x = 1,422,430.27 × 571,891.20
  4. Step 4: Simplify right side
    1,030,781.51x = 813,475,354,026.62
  5. Step 5: Solve for x
    x = 813,475,354,026.62/1,030,781.51
  6. Step 6: Final answer
    x = 789,183.11

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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.