Home / 1,341,471.61-1,851,135.53-729,611.89

Finding the Fourth Proportional to 1,341,471.61, 1,851,135.53 and 729,611.89

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Solution

The fourth proportional to 1,341,471.61, 1,851,135.53 and 729,611.89 is: 1,006,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,471.61 : 1,851,135.53 = 729,611.89 : x
  2. Step 2: Convert to fraction form
    1,341,471.61/1,851,135.53 = 729,611.89/x
  3. Step 3: Cross multiply
    1,341,471.61x = 1,851,135.53 × 729,611.89
  4. Step 4: Simplify right side
    1,341,471.61x = 1,350,610,484,413.55
  5. Step 5: Solve for x
    x = 1,350,610,484,413.55/1,341,471.61
  6. Step 6: Final answer
    x = 1,006,812.57

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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.