Home / 1,143,914.11-1,714,811.66-423,854.61

Finding the Fourth Proportional to 1,143,914.11, 1,714,811.66 and 423,854.61

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Solution

The fourth proportional to 1,143,914.11, 1,714,811.66 and 423,854.61 is: 635,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,914.11 : 1,714,811.66 = 423,854.61 : x
  2. Step 2: Convert to fraction form
    1,143,914.11/1,714,811.66 = 423,854.61/x
  3. Step 3: Cross multiply
    1,143,914.11x = 1,714,811.66 × 423,854.61
  4. Step 4: Simplify right side
    1,143,914.11x = 726,830,830,030.95
  5. Step 5: Solve for x
    x = 726,830,830,030.95/1,143,914.11
  6. Step 6: Final answer
    x = 635,389.34

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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.