Home / 1,232,002.96-1,700,146.12-688,146.48

Finding the Fourth Proportional to 1,232,002.96, 1,700,146.12 and 688,146.48

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Solution

The fourth proportional to 1,232,002.96, 1,700,146.12 and 688,146.48 is: 949,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,002.96 : 1,700,146.12 = 688,146.48 : x
  2. Step 2: Convert to fraction form
    1,232,002.96/1,700,146.12 = 688,146.48/x
  3. Step 3: Cross multiply
    1,232,002.96x = 1,700,146.12 × 688,146.48
  4. Step 4: Simplify right side
    1,232,002.96x = 1,169,949,567,963.66
  5. Step 5: Solve for x
    x = 1,169,949,567,963.66/1,232,002.96
  6. Step 6: Final answer
    x = 949,632.11

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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.