Home / 1,145,442.10-1,718,163.15-665,176.90

Finding the Fourth Proportional to 1,145,442.10, 1,718,163.15 and 665,176.90

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Solution

The fourth proportional to 1,145,442.10, 1,718,163.15 and 665,176.90 is: 997,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,442.10 : 1,718,163.15 = 665,176.90 : x
  2. Step 2: Convert to fraction form
    1,145,442.10/1,718,163.15 = 665,176.90/x
  3. Step 3: Cross multiply
    1,145,442.10x = 1,718,163.15 × 665,176.90
  4. Step 4: Simplify right side
    1,145,442.10x = 1,142,882,437,811.23
  5. Step 5: Solve for x
    x = 1,142,882,437,811.23/1,145,442.10
  6. Step 6: Final answer
    x = 997,765.35

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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.