Home / 825,686.10-1,238,529.15-739,080.90

Finding the Fourth Proportional to 825,686.10, 1,238,529.15 and 739,080.90

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Solution

The fourth proportional to 825,686.10, 1,238,529.15 and 739,080.90 is: 1,108,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,686.10 : 1,238,529.15 = 739,080.90 : x
  2. Step 2: Convert to fraction form
    825,686.10/1,238,529.15 = 739,080.90/x
  3. Step 3: Cross multiply
    825,686.10x = 1,238,529.15 × 739,080.90
  4. Step 4: Simplify right side
    825,686.10x = 915,373,238,858.24
  5. Step 5: Solve for x
    x = 915,373,238,858.24/825,686.10
  6. Step 6: Final answer
    x = 1,108,621.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.