Home / 1,083,987.30-1,625,439.91-354,415.48

Finding the Fourth Proportional to 1,083,987.30, 1,625,439.91 and 354,415.48

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Solution

The fourth proportional to 1,083,987.30, 1,625,439.91 and 354,415.48 is: 531,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,987.30 : 1,625,439.91 = 354,415.48 : x
  2. Step 2: Convert to fraction form
    1,083,987.30/1,625,439.91 = 354,415.48/x
  3. Step 3: Cross multiply
    1,083,987.30x = 1,625,439.91 × 354,415.48
  4. Step 4: Simplify right side
    1,083,987.30x = 576,081,060,964.17
  5. Step 5: Solve for x
    x = 576,081,060,964.17/1,083,987.30
  6. Step 6: Final answer
    x = 531,446.32

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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.