Home / 1,007,647.89-1,390,540.43-572,061.29

Finding the Fourth Proportional to 1,007,647.89, 1,390,540.43 and 572,061.29

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Solution

The fourth proportional to 1,007,647.89, 1,390,540.43 and 572,061.29 is: 789,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,647.89 : 1,390,540.43 = 572,061.29 : x
  2. Step 2: Convert to fraction form
    1,007,647.89/1,390,540.43 = 572,061.29/x
  3. Step 3: Cross multiply
    1,007,647.89x = 1,390,540.43 × 572,061.29
  4. Step 4: Simplify right side
    1,007,647.89x = 795,474,342,369.95
  5. Step 5: Solve for x
    x = 795,474,342,369.95/1,007,647.89
  6. Step 6: Final answer
    x = 789,436.82

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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.