Home / 1,275,890.40-1,760,729.32-702,925.52

Finding the Fourth Proportional to 1,275,890.40, 1,760,729.32 and 702,925.52

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Solution

The fourth proportional to 1,275,890.40, 1,760,729.32 and 702,925.52 is: 970,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,890.40 : 1,760,729.32 = 702,925.52 : x
  2. Step 2: Convert to fraction form
    1,275,890.40/1,760,729.32 = 702,925.52/x
  3. Step 3: Cross multiply
    1,275,890.40x = 1,760,729.32 × 702,925.52
  4. Step 4: Simplify right side
    1,275,890.40x = 1,237,661,572,840.25
  5. Step 5: Solve for x
    x = 1,237,661,572,840.25/1,275,890.40
  6. Step 6: Final answer
    x = 970,037.53

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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.