Home / 1,465,375.20-2,198,718.90-666,245.40

Finding the Fourth Proportional to 1,465,375.20, 2,198,718.90 and 666,245.40

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Solution

The fourth proportional to 1,465,375.20, 2,198,718.90 and 666,245.40 is: 999,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,375.20 : 2,198,718.90 = 666,245.40 : x
  2. Step 2: Convert to fraction form
    1,465,375.20/2,198,718.90 = 666,245.40/x
  3. Step 3: Cross multiply
    1,465,375.20x = 2,198,718.90 × 666,245.40
  4. Step 4: Simplify right side
    1,465,375.20x = 1,464,886,353,018.06
  5. Step 5: Solve for x
    x = 1,464,886,353,018.06/1,465,375.20
  6. Step 6: Final answer
    x = 999,666.40

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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.