Home / 1,145,446.90-1,718,170.35-807,774.10

Finding the Fourth Proportional to 1,145,446.90, 1,718,170.35 and 807,774.10

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Solution

The fourth proportional to 1,145,446.90, 1,718,170.35 and 807,774.10 is: 1,211,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,446.90 : 1,718,170.35 = 807,774.10 : x
  2. Step 2: Convert to fraction form
    1,145,446.90/1,718,170.35 = 807,774.10/x
  3. Step 3: Cross multiply
    1,145,446.90x = 1,718,170.35 × 807,774.10
  4. Step 4: Simplify right side
    1,145,446.90x = 1,387,893,508,117.94
  5. Step 5: Solve for x
    x = 1,387,893,508,117.94/1,145,446.90
  6. Step 6: Final answer
    x = 1,211,661.15

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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.