Home / 1,119,876.76-1,680,150.30-361,837.36

Finding the Fourth Proportional to 1,119,876.76, 1,680,150.30 and 361,837.36

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Solution

The fourth proportional to 1,119,876.76, 1,680,150.30 and 361,837.36 is: 542,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,876.76 : 1,680,150.30 = 361,837.36 : x
  2. Step 2: Convert to fraction form
    1,119,876.76/1,680,150.30 = 361,837.36/x
  3. Step 3: Cross multiply
    1,119,876.76x = 1,680,150.30 × 361,837.36
  4. Step 4: Simplify right side
    1,119,876.76x = 607,941,148,955.21
  5. Step 5: Solve for x
    x = 607,941,148,955.21/1,119,876.76
  6. Step 6: Final answer
    x = 542,864.33

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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.