Home / 1,351,522.40-1,864,916.40-807,543.20

Finding the Fourth Proportional to 1,351,522.40, 1,864,916.40 and 807,543.20

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Solution

The fourth proportional to 1,351,522.40, 1,864,916.40 and 807,543.20 is: 1,114,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,522.40 : 1,864,916.40 = 807,543.20 : x
  2. Step 2: Convert to fraction form
    1,351,522.40/1,864,916.40 = 807,543.20/x
  3. Step 3: Cross multiply
    1,351,522.40x = 1,864,916.40 × 807,543.20
  4. Step 4: Simplify right side
    1,351,522.40x = 1,506,000,557,388.48
  5. Step 5: Solve for x
    x = 1,506,000,557,388.48/1,351,522.40
  6. Step 6: Final answer
    x = 1,114,299.37

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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.