Home / 1,532,396.61-2,114,522.15-878,988.78

Finding the Fourth Proportional to 1,532,396.61, 2,114,522.15 and 878,988.78

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Solution

The fourth proportional to 1,532,396.61, 2,114,522.15 and 878,988.78 is: 1,212,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,396.61 : 2,114,522.15 = 878,988.78 : x
  2. Step 2: Convert to fraction form
    1,532,396.61/2,114,522.15 = 878,988.78/x
  3. Step 3: Cross multiply
    1,532,396.61x = 2,114,522.15 × 878,988.78
  4. Step 4: Simplify right side
    1,532,396.61x = 1,858,641,240,516.53
  5. Step 5: Solve for x
    x = 1,858,641,240,516.53/1,532,396.61
  6. Step 6: Final answer
    x = 1,212,898.30

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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.