Home / 1,521,147.66-2,281,572.91-399,216.66

Finding the Fourth Proportional to 1,521,147.66, 2,281,572.91 and 399,216.66

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Solution

The fourth proportional to 1,521,147.66, 2,281,572.91 and 399,216.66 is: 598,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,147.66 : 2,281,572.91 = 399,216.66 : x
  2. Step 2: Convert to fraction form
    1,521,147.66/2,281,572.91 = 399,216.66/x
  3. Step 3: Cross multiply
    1,521,147.66x = 2,281,572.91 × 399,216.66
  4. Step 4: Simplify right side
    1,521,147.66x = 910,841,916,676.68
  5. Step 5: Solve for x
    x = 910,841,916,676.68/1,521,147.66
  6. Step 6: Final answer
    x = 598,786.00

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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.