Home / 1,169,833.76-1,754,750.64-421,879.76

Finding the Fourth Proportional to 1,169,833.76, 1,754,750.64 and 421,879.76

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Solution

The fourth proportional to 1,169,833.76, 1,754,750.64 and 421,879.76 is: 632,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,833.76 : 1,754,750.64 = 421,879.76 : x
  2. Step 2: Convert to fraction form
    1,169,833.76/1,754,750.64 = 421,879.76/x
  3. Step 3: Cross multiply
    1,169,833.76x = 1,754,750.64 × 421,879.76
  4. Step 4: Simplify right side
    1,169,833.76x = 740,293,778,863.05
  5. Step 5: Solve for x
    x = 740,293,778,863.05/1,169,833.76
  6. Step 6: Final answer
    x = 632,819.64

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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.