Home / 1,246,878.76-1,720,658.10-703,009.72

Finding the Fourth Proportional to 1,246,878.76, 1,720,658.10 and 703,009.72

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Solution

The fourth proportional to 1,246,878.76, 1,720,658.10 and 703,009.72 is: 970,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,878.76 : 1,720,658.10 = 703,009.72 : x
  2. Step 2: Convert to fraction form
    1,246,878.76/1,720,658.10 = 703,009.72/x
  3. Step 3: Cross multiply
    1,246,878.76x = 1,720,658.10 × 703,009.72
  4. Step 4: Simplify right side
    1,246,878.76x = 1,209,639,369,096.73
  5. Step 5: Solve for x
    x = 1,209,639,369,096.73/1,246,878.76
  6. Step 6: Final answer
    x = 970,133.91

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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.