Home / 1,275,089.06-1,759,622.92-702,127.87

Finding the Fourth Proportional to 1,275,089.06, 1,759,622.92 and 702,127.87

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Solution

The fourth proportional to 1,275,089.06, 1,759,622.92 and 702,127.87 is: 968,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,089.06 : 1,759,622.92 = 702,127.87 : x
  2. Step 2: Convert to fraction form
    1,275,089.06/1,759,622.92 = 702,127.87/x
  3. Step 3: Cross multiply
    1,275,089.06x = 1,759,622.92 × 702,127.87
  4. Step 4: Simplify right side
    1,275,089.06x = 1,235,480,286,668.40
  5. Step 5: Solve for x
    x = 1,235,480,286,668.40/1,275,089.06
  6. Step 6: Final answer
    x = 968,936.46

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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.