Home / 1,453,701.78-2,180,640.18-456,429.78

Finding the Fourth Proportional to 1,453,701.78, 2,180,640.18 and 456,429.78

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Solution

The fourth proportional to 1,453,701.78, 2,180,640.18 and 456,429.78 is: 684,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,701.78 : 2,180,640.18 = 456,429.78 : x
  2. Step 2: Convert to fraction form
    1,453,701.78/2,180,640.18 = 456,429.78/x
  3. Step 3: Cross multiply
    1,453,701.78x = 2,180,640.18 × 456,429.78
  4. Step 4: Simplify right side
    1,453,701.78x = 995,309,117,616.56
  5. Step 5: Solve for x
    x = 995,309,117,616.56/1,453,701.78
  6. Step 6: Final answer
    x = 684,672.15

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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.