Home / 1,443,347.91-2,165,030.91-378,380.43

Finding the Fourth Proportional to 1,443,347.91, 2,165,030.91 and 378,380.43

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Solution

The fourth proportional to 1,443,347.91, 2,165,030.91 and 378,380.43 is: 567,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,347.91 : 2,165,030.91 = 378,380.43 : x
  2. Step 2: Convert to fraction form
    1,443,347.91/2,165,030.91 = 378,380.43/x
  3. Step 3: Cross multiply
    1,443,347.91x = 2,165,030.91 × 378,380.43
  4. Step 4: Simplify right side
    1,443,347.91x = 819,205,326,689.09
  5. Step 5: Solve for x
    x = 819,205,326,689.09/1,443,347.91
  6. Step 6: Final answer
    x = 567,573.02

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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.