Home / 1,245,631.65-1,718,971.64-672,671.80

Finding the Fourth Proportional to 1,245,631.65, 1,718,971.64 and 672,671.80

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Solution

The fourth proportional to 1,245,631.65, 1,718,971.64 and 672,671.80 is: 928,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,631.65 : 1,718,971.64 = 672,671.80 : x
  2. Step 2: Convert to fraction form
    1,245,631.65/1,718,971.64 = 672,671.80/x
  3. Step 3: Cross multiply
    1,245,631.65x = 1,718,971.64 × 672,671.80
  4. Step 4: Simplify right side
    1,245,631.65x = 1,156,303,747,227.75
  5. Step 5: Solve for x
    x = 1,156,303,747,227.75/1,245,631.65
  6. Step 6: Final answer
    x = 928,287.06

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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.