Home / 1,067,339.40-1,601,009.10-1,020,100.20

Finding the Fourth Proportional to 1,067,339.40, 1,601,009.10 and 1,020,100.20

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Solution

The fourth proportional to 1,067,339.40, 1,601,009.10 and 1,020,100.20 is: 1,530,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,339.40 : 1,601,009.10 = 1,020,100.20 : x
  2. Step 2: Convert to fraction form
    1,067,339.40/1,601,009.10 = 1,020,100.20/x
  3. Step 3: Cross multiply
    1,067,339.40x = 1,601,009.10 × 1,020,100.20
  4. Step 4: Simplify right side
    1,067,339.40x = 1,633,189,703,111.82
  5. Step 5: Solve for x
    x = 1,633,189,703,111.82/1,067,339.40
  6. Step 6: Final answer
    x = 1,530,150.30

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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.