Home / 1,067,642.30-1,473,302.40-638,159.24

Finding the Fourth Proportional to 1,067,642.30, 1,473,302.40 and 638,159.24

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Solution

The fourth proportional to 1,067,642.30, 1,473,302.40 and 638,159.24 is: 880,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,642.30 : 1,473,302.40 = 638,159.24 : x
  2. Step 2: Convert to fraction form
    1,067,642.30/1,473,302.40 = 638,159.24/x
  3. Step 3: Cross multiply
    1,067,642.30x = 1,473,302.40 × 638,159.24
  4. Step 4: Simplify right side
    1,067,642.30x = 940,201,539,874.18
  5. Step 5: Solve for x
    x = 940,201,539,874.18/1,067,642.30
  6. Step 6: Final answer
    x = 880,633.47

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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.