Home / 935,637.48-1,290,862.57-763,257.45

Finding the Fourth Proportional to 935,637.48, 1,290,862.57 and 763,257.45

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Solution

The fourth proportional to 935,637.48, 1,290,862.57 and 763,257.45 is: 1,053,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,637.48 : 1,290,862.57 = 763,257.45 : x
  2. Step 2: Convert to fraction form
    935,637.48/1,290,862.57 = 763,257.45/x
  3. Step 3: Cross multiply
    935,637.48x = 1,290,862.57 × 763,257.45
  4. Step 4: Simplify right side
    935,637.48x = 985,260,473,478.65
  5. Step 5: Solve for x
    x = 985,260,473,478.65/935,637.48
  6. Step 6: Final answer
    x = 1,053,036.56

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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.