Home / 1,228,712.24-1,695,630.77-684,882.50

Finding the Fourth Proportional to 1,228,712.24, 1,695,630.77 and 684,882.50

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Solution

The fourth proportional to 1,228,712.24, 1,695,630.77 and 684,882.50 is: 945,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,712.24 : 1,695,630.77 = 684,882.50 : x
  2. Step 2: Convert to fraction form
    1,228,712.24/1,695,630.77 = 684,882.50/x
  3. Step 3: Cross multiply
    1,228,712.24x = 1,695,630.77 × 684,882.50
  4. Step 4: Simplify right side
    1,228,712.24x = 1,161,307,828,931.96
  5. Step 5: Solve for x
    x = 1,161,307,828,931.96/1,228,712.24
  6. Step 6: Final answer
    x = 945,142.24

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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.