Home / 1,053,904.84-1,581,108.72-343,934.20

Finding the Fourth Proportional to 1,053,904.84, 1,581,108.72 and 343,934.20

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Solution

The fourth proportional to 1,053,904.84, 1,581,108.72 and 343,934.20 is: 515,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,904.84 : 1,581,108.72 = 343,934.20 : x
  2. Step 2: Convert to fraction form
    1,053,904.84/1,581,108.72 = 343,934.20/x
  3. Step 3: Cross multiply
    1,053,904.84x = 1,581,108.72 × 343,934.20
  4. Step 4: Simplify right side
    1,053,904.84x = 543,797,362,726.22
  5. Step 5: Solve for x
    x = 543,797,362,726.22/1,053,904.84
  6. Step 6: Final answer
    x = 515,983.36

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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.