Home / 1,200,739.12-1,657,033.08-656,863.24

Finding the Fourth Proportional to 1,200,739.12, 1,657,033.08 and 656,863.24

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Solution

The fourth proportional to 1,200,739.12, 1,657,033.08 and 656,863.24 is: 906,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,739.12 : 1,657,033.08 = 656,863.24 : x
  2. Step 2: Convert to fraction form
    1,200,739.12/1,657,033.08 = 656,863.24/x
  3. Step 3: Cross multiply
    1,200,739.12x = 1,657,033.08 × 656,863.24
  4. Step 4: Simplify right side
    1,200,739.12x = 1,088,444,117,715.98
  5. Step 5: Solve for x
    x = 1,088,444,117,715.98/1,200,739.12
  6. Step 6: Final answer
    x = 906,478.43

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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.