Home / 1,108,339.40-1,659,870.12-707,739.32

Finding the Fourth Proportional to 1,108,339.40, 1,659,870.12 and 707,739.32

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Solution

The fourth proportional to 1,108,339.40, 1,659,870.12 and 707,739.32 is: 1,059,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,339.40 : 1,659,870.12 = 707,739.32 : x
  2. Step 2: Convert to fraction form
    1,108,339.40/1,659,870.12 = 707,739.32/x
  3. Step 3: Cross multiply
    1,108,339.40x = 1,659,870.12 × 707,739.32
  4. Step 4: Simplify right side
    1,108,339.40x = 1,174,755,356,820.82
  5. Step 5: Solve for x
    x = 1,174,755,356,820.82/1,108,339.40
  6. Step 6: Final answer
    x = 1,059,923.84

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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.