Home / 1,172,499.26-1,758,779.17-319,577.90

Finding the Fourth Proportional to 1,172,499.26, 1,758,779.17 and 319,577.90

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Solution

The fourth proportional to 1,172,499.26, 1,758,779.17 and 319,577.90 is: 479,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,499.26 : 1,758,779.17 = 319,577.90 : x
  2. Step 2: Convert to fraction form
    1,172,499.26/1,758,779.17 = 319,577.90/x
  3. Step 3: Cross multiply
    1,172,499.26x = 1,758,779.17 × 319,577.90
  4. Step 4: Simplify right side
    1,172,499.26x = 562,066,953,712.34
  5. Step 5: Solve for x
    x = 562,066,953,712.34/1,172,499.26
  6. Step 6: Final answer
    x = 479,375.10

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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.