Home / 1,232,238.26-1,700,470.04-688,381.86

Finding the Fourth Proportional to 1,232,238.26, 1,700,470.04 and 688,381.86

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Solution

The fourth proportional to 1,232,238.26, 1,700,470.04 and 688,381.86 is: 949,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,238.26 : 1,700,470.04 = 688,381.86 : x
  2. Step 2: Convert to fraction form
    1,232,238.26/1,700,470.04 = 688,381.86/x
  3. Step 3: Cross multiply
    1,232,238.26x = 1,700,470.04 × 688,381.86
  4. Step 4: Simplify right side
    1,232,238.26x = 1,170,572,729,009.47
  5. Step 5: Solve for x
    x = 1,170,572,729,009.47/1,232,238.26
  6. Step 6: Final answer
    x = 949,956.49

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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.