Home / 819,733.77-1,221,451.65-730,300.05

Finding the Fourth Proportional to 819,733.77, 1,221,451.65 and 730,300.05

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Solution

The fourth proportional to 819,733.77, 1,221,451.65 and 730,300.05 is: 1,088,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,733.77 : 1,221,451.65 = 730,300.05 : x
  2. Step 2: Convert to fraction form
    819,733.77/1,221,451.65 = 730,300.05/x
  3. Step 3: Cross multiply
    819,733.77x = 1,221,451.65 × 730,300.05
  4. Step 4: Simplify right side
    819,733.77x = 892,026,201,067.58
  5. Step 5: Solve for x
    x = 892,026,201,067.58/819,733.77
  6. Step 6: Final answer
    x = 1,088,190.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.