Home / 1,275,117.09-1,759,661.42-702,155.85

Finding the Fourth Proportional to 1,275,117.09, 1,759,661.42 and 702,155.85

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Solution

The fourth proportional to 1,275,117.09, 1,759,661.42 and 702,155.85 is: 968,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,117.09 : 1,759,661.42 = 702,155.85 : x
  2. Step 2: Convert to fraction form
    1,275,117.09/1,759,661.42 = 702,155.85/x
  3. Step 3: Cross multiply
    1,275,117.09x = 1,759,661.42 × 702,155.85
  4. Step 4: Simplify right side
    1,275,117.09x = 1,235,556,556,561.53
  5. Step 5: Solve for x
    x = 1,235,556,556,561.53/1,275,117.09
  6. Step 6: Final answer
    x = 968,974.98

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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.