Home / 1,270,289.85-1,752,935.70-754,065.84

Finding the Fourth Proportional to 1,270,289.85, 1,752,935.70 and 754,065.84

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Solution

The fourth proportional to 1,270,289.85, 1,752,935.70 and 754,065.84 is: 1,040,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,289.85 : 1,752,935.70 = 754,065.84 : x
  2. Step 2: Convert to fraction form
    1,270,289.85/1,752,935.70 = 754,065.84/x
  3. Step 3: Cross multiply
    1,270,289.85x = 1,752,935.70 × 754,065.84
  4. Step 4: Simplify right side
    1,270,289.85x = 1,321,828,931,086.49
  5. Step 5: Solve for x
    x = 1,321,828,931,086.49/1,270,289.85
  6. Step 6: Final answer
    x = 1,040,572.69

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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.