Home / 1,279,102.19-1,917,641.18-480,294.77

Finding the Fourth Proportional to 1,279,102.19, 1,917,641.18 and 480,294.77

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Solution

The fourth proportional to 1,279,102.19, 1,917,641.18 and 480,294.77 is: 720,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,102.19 : 1,917,641.18 = 480,294.77 : x
  2. Step 2: Convert to fraction form
    1,279,102.19/1,917,641.18 = 480,294.77/x
  3. Step 3: Cross multiply
    1,279,102.19x = 1,917,641.18 × 480,294.77
  4. Step 4: Simplify right side
    1,279,102.19x = 921,033,021,103.16
  5. Step 5: Solve for x
    x = 921,033,021,103.16/1,279,102.19
  6. Step 6: Final answer
    x = 720,062.11

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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.