Home / 1,030,781.79-1,422,430.67-571,891.47

Finding the Fourth Proportional to 1,030,781.79, 1,422,430.67 and 571,891.47

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Solution

The fourth proportional to 1,030,781.79, 1,422,430.67 and 571,891.47 is: 789,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,781.79 : 1,422,430.67 = 571,891.47 : x
  2. Step 2: Convert to fraction form
    1,030,781.79/1,422,430.67 = 571,891.47/x
  3. Step 3: Cross multiply
    1,030,781.79x = 1,422,430.67 × 571,891.47
  4. Step 4: Simplify right side
    1,030,781.79x = 813,475,963,979.93
  5. Step 5: Solve for x
    x = 813,475,963,979.93/1,030,781.79
  6. Step 6: Final answer
    x = 789,183.48

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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.