Home / 1,443,252.32-1,991,639.20-798,699.68

Finding the Fourth Proportional to 1,443,252.32, 1,991,639.20 and 798,699.68

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Solution

The fourth proportional to 1,443,252.32, 1,991,639.20 and 798,699.68 is: 1,102,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,252.32 : 1,991,639.20 = 798,699.68 : x
  2. Step 2: Convert to fraction form
    1,443,252.32/1,991,639.20 = 798,699.68/x
  3. Step 3: Cross multiply
    1,443,252.32x = 1,991,639.20 × 798,699.68
  4. Step 4: Simplify right side
    1,443,252.32x = 1,590,721,591,715.46
  5. Step 5: Solve for x
    x = 1,590,721,591,715.46/1,443,252.32
  6. Step 6: Final answer
    x = 1,102,178.44

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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.