Home / 1,232,240.26-1,700,472.80-688,383.86

Finding the Fourth Proportional to 1,232,240.26, 1,700,472.80 and 688,383.86

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Solution

The fourth proportional to 1,232,240.26, 1,700,472.80 and 688,383.86 is: 949,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,240.26 : 1,700,472.80 = 688,383.86 : x
  2. Step 2: Convert to fraction form
    1,232,240.26/1,700,472.80 = 688,383.86/x
  3. Step 3: Cross multiply
    1,232,240.26x = 1,700,472.80 × 688,383.86
  4. Step 4: Simplify right side
    1,232,240.26x = 1,170,578,029,889.01
  5. Step 5: Solve for x
    x = 1,170,578,029,889.01/1,232,240.26
  6. Step 6: Final answer
    x = 949,959.25

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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.