Home / 1,245,626.63-1,718,964.77-672,666.80

Finding the Fourth Proportional to 1,245,626.63, 1,718,964.77 and 672,666.80

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Solution

The fourth proportional to 1,245,626.63, 1,718,964.77 and 672,666.80 is: 928,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,626.63 : 1,718,964.77 = 672,666.80 : x
  2. Step 2: Convert to fraction form
    1,245,626.63/1,718,964.77 = 672,666.80/x
  3. Step 3: Cross multiply
    1,245,626.63x = 1,718,964.77 × 672,666.80
  4. Step 4: Simplify right side
    1,245,626.63x = 1,156,290,532,082.71
  5. Step 5: Solve for x
    x = 1,156,290,532,082.71/1,245,626.63
  6. Step 6: Final answer
    x = 928,280.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.