Home / 1,119,772.29-1,679,659.76-278,324.04

Finding the Fourth Proportional to 1,119,772.29, 1,679,659.76 and 278,324.04

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Solution

The fourth proportional to 1,119,772.29, 1,679,659.76 and 278,324.04 is: 417,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,772.29 : 1,679,659.76 = 278,324.04 : x
  2. Step 2: Convert to fraction form
    1,119,772.29/1,679,659.76 = 278,324.04/x
  3. Step 3: Cross multiply
    1,119,772.29x = 1,679,659.76 × 278,324.04
  4. Step 4: Simplify right side
    1,119,772.29x = 467,489,688,837.01
  5. Step 5: Solve for x
    x = 467,489,688,837.01/1,119,772.29
  6. Step 6: Final answer
    x = 417,486.39

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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.