Home / 1,419,307.28-2,128,991.15-508,549.24

Finding the Fourth Proportional to 1,419,307.28, 2,128,991.15 and 508,549.24

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Solution

The fourth proportional to 1,419,307.28, 2,128,991.15 and 508,549.24 is: 762,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,307.28 : 2,128,991.15 = 508,549.24 : x
  2. Step 2: Convert to fraction form
    1,419,307.28/2,128,991.15 = 508,549.24/x
  3. Step 3: Cross multiply
    1,419,307.28x = 2,128,991.15 × 508,549.24
  4. Step 4: Simplify right side
    1,419,307.28x = 1,082,696,831,299.23
  5. Step 5: Solve for x
    x = 1,082,696,831,299.23/1,419,307.28
  6. Step 6: Final answer
    x = 762,834.69

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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.