Home / 1,275,888.40-1,760,726.56-702,923.52

Finding the Fourth Proportional to 1,275,888.40, 1,760,726.56 and 702,923.52

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Solution

The fourth proportional to 1,275,888.40, 1,760,726.56 and 702,923.52 is: 970,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,888.40 : 1,760,726.56 = 702,923.52 : x
  2. Step 2: Convert to fraction form
    1,275,888.40/1,760,726.56 = 702,923.52/x
  3. Step 3: Cross multiply
    1,275,888.40x = 1,760,726.56 × 702,923.52
  4. Step 4: Simplify right side
    1,275,888.40x = 1,237,656,111,312.69
  5. Step 5: Solve for x
    x = 1,237,656,111,312.69/1,275,888.40
  6. Step 6: Final answer
    x = 970,034.77

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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.