Home / 1,295,658.32-1,788,043.02-722,810.12

Finding the Fourth Proportional to 1,295,658.32, 1,788,043.02 and 722,810.12

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Solution

The fourth proportional to 1,295,658.32, 1,788,043.02 and 722,810.12 is: 997,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,658.32 : 1,788,043.02 = 722,810.12 : x
  2. Step 2: Convert to fraction form
    1,295,658.32/1,788,043.02 = 722,810.12/x
  3. Step 3: Cross multiply
    1,295,658.32x = 1,788,043.02 × 722,810.12
  4. Step 4: Simplify right side
    1,295,658.32x = 1,292,415,589,851.36
  5. Step 5: Solve for x
    x = 1,292,415,589,851.36/1,295,658.32
  6. Step 6: Final answer
    x = 997,497.23

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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.