Home / 1,274,515.38-1,758,877.63-693,710.43

Finding the Fourth Proportional to 1,274,515.38, 1,758,877.63 and 693,710.43

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Solution

The fourth proportional to 1,274,515.38, 1,758,877.63 and 693,710.43 is: 957,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,515.38 : 1,758,877.63 = 693,710.43 : x
  2. Step 2: Convert to fraction form
    1,274,515.38/1,758,877.63 = 693,710.43/x
  3. Step 3: Cross multiply
    1,274,515.38x = 1,758,877.63 × 693,710.43
  4. Step 4: Simplify right side
    1,274,515.38x = 1,220,151,758,913.32
  5. Step 5: Solve for x
    x = 1,220,151,758,913.32/1,274,515.38
  6. Step 6: Final answer
    x = 957,345.65

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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.