Home / 1,513,915.47-2,270,862.41-554,436.90

Finding the Fourth Proportional to 1,513,915.47, 2,270,862.41 and 554,436.90

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Solution

The fourth proportional to 1,513,915.47, 2,270,862.41 and 554,436.90 is: 831,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,915.47 : 2,270,862.41 = 554,436.90 : x
  2. Step 2: Convert to fraction form
    1,513,915.47/2,270,862.41 = 554,436.90/x
  3. Step 3: Cross multiply
    1,513,915.47x = 2,270,862.41 × 554,436.90
  4. Step 4: Simplify right side
    1,513,915.47x = 1,259,049,912,154.74
  5. Step 5: Solve for x
    x = 1,259,049,912,154.74/1,513,915.47
  6. Step 6: Final answer
    x = 831,651.39

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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.