Home / 999,150.91-1,378,836.04-551,615.56

Finding the Fourth Proportional to 999,150.91, 1,378,836.04 and 551,615.56

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Solution

The fourth proportional to 999,150.91, 1,378,836.04 and 551,615.56 is: 761,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,150.91 : 1,378,836.04 = 551,615.56 : x
  2. Step 2: Convert to fraction form
    999,150.91/1,378,836.04 = 551,615.56/x
  3. Step 3: Cross multiply
    999,150.91x = 1,378,836.04 × 551,615.56
  4. Step 4: Simplify right side
    999,150.91x = 760,587,417,153.44
  5. Step 5: Solve for x
    x = 760,587,417,153.44/999,150.91
  6. Step 6: Final answer
    x = 761,233.77

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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.