Home / 1,102,925.08-1,521,649.02-721,175.32

Finding the Fourth Proportional to 1,102,925.08, 1,521,649.02 and 721,175.32

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Solution

The fourth proportional to 1,102,925.08, 1,521,649.02 and 721,175.32 is: 994,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,925.08 : 1,521,649.02 = 721,175.32 : x
  2. Step 2: Convert to fraction form
    1,102,925.08/1,521,649.02 = 721,175.32/x
  3. Step 3: Cross multiply
    1,102,925.08x = 1,521,649.02 × 721,175.32
  4. Step 4: Simplify right side
    1,102,925.08x = 1,097,375,718,926.19
  5. Step 5: Solve for x
    x = 1,097,375,718,926.19/1,102,925.08
  6. Step 6: Final answer
    x = 994,968.51

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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.