Home / 1,101,239.87-1,651,509.87-748,520.51

Finding the Fourth Proportional to 1,101,239.87, 1,651,509.87 and 748,520.51

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Solution

The fourth proportional to 1,101,239.87, 1,651,509.87 and 748,520.51 is: 1,122,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,239.87 : 1,651,509.87 = 748,520.51 : x
  2. Step 2: Convert to fraction form
    1,101,239.87/1,651,509.87 = 748,520.51/x
  3. Step 3: Cross multiply
    1,101,239.87x = 1,651,509.87 × 748,520.51
  4. Step 4: Simplify right side
    1,101,239.87x = 1,236,189,001,904.88
  5. Step 5: Solve for x
    x = 1,236,189,001,904.88/1,101,239.87
  6. Step 6: Final answer
    x = 1,122,542.91

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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.