Home / 1,878,941.28-2,818,404.30-680,583.12

Finding the Fourth Proportional to 1,878,941.28, 2,818,404.30 and 680,583.12

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Solution

The fourth proportional to 1,878,941.28, 2,818,404.30 and 680,583.12 is: 1,020,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,941.28 : 2,818,404.30 = 680,583.12 : x
  2. Step 2: Convert to fraction form
    1,878,941.28/2,818,404.30 = 680,583.12/x
  3. Step 3: Cross multiply
    1,878,941.28x = 2,818,404.30 × 680,583.12
  4. Step 4: Simplify right side
    1,878,941.28x = 1,918,158,391,915.42
  5. Step 5: Solve for x
    x = 1,918,158,391,915.42/1,878,941.28
  6. Step 6: Final answer
    x = 1,020,871.92

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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.