Home / 935,635.48-1,290,859.81-763,255.45

Finding the Fourth Proportional to 935,635.48, 1,290,859.81 and 763,255.45

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Solution

The fourth proportional to 935,635.48, 1,290,859.81 and 763,255.45 is: 1,053,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,635.48 : 1,290,859.81 = 763,255.45 : x
  2. Step 2: Convert to fraction form
    935,635.48/1,290,859.81 = 763,255.45/x
  3. Step 3: Cross multiply
    935,635.48x = 1,290,859.81 × 763,255.45
  4. Step 4: Simplify right side
    935,635.48x = 985,255,784,873.90
  5. Step 5: Solve for x
    x = 985,255,784,873.90/935,635.48
  6. Step 6: Final answer
    x = 1,053,033.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.