Home / 1,625,031.20-2,437,773.36-678,185.12

Finding the Fourth Proportional to 1,625,031.20, 2,437,773.36 and 678,185.12

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Solution

The fourth proportional to 1,625,031.20, 2,437,773.36 and 678,185.12 is: 1,017,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,031.20 : 2,437,773.36 = 678,185.12 : x
  2. Step 2: Convert to fraction form
    1,625,031.20/2,437,773.36 = 678,185.12/x
  3. Step 3: Cross multiply
    1,625,031.20x = 2,437,773.36 × 678,185.12
  4. Step 4: Simplify right side
    1,625,031.20x = 1,653,261,618,684.40
  5. Step 5: Solve for x
    x = 1,653,261,618,684.40/1,625,031.20
  6. Step 6: Final answer
    x = 1,017,372.23

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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.