Home / 1,061,851.71-1,591,895.77-421,760.55

Finding the Fourth Proportional to 1,061,851.71, 1,591,895.77 and 421,760.55

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Solution

The fourth proportional to 1,061,851.71, 1,591,895.77 and 421,760.55 is: 632,290.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,851.71 : 1,591,895.77 = 421,760.55 : x
  2. Step 2: Convert to fraction form
    1,061,851.71/1,591,895.77 = 421,760.55/x
  3. Step 3: Cross multiply
    1,061,851.71x = 1,591,895.77 × 421,760.55
  4. Step 4: Simplify right side
    1,061,851.71x = 671,398,840,413.08
  5. Step 5: Solve for x
    x = 671,398,840,413.08/1,061,851.71
  6. Step 6: Final answer
    x = 632,290.58

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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.