Home / 1,369,334.16-1,889,645.76-757,470.96

Finding the Fourth Proportional to 1,369,334.16, 1,889,645.76 and 757,470.96

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Solution

The fourth proportional to 1,369,334.16, 1,889,645.76 and 757,470.96 is: 1,045,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,334.16 : 1,889,645.76 = 757,470.96 : x
  2. Step 2: Convert to fraction form
    1,369,334.16/1,889,645.76 = 757,470.96/x
  3. Step 3: Cross multiply
    1,369,334.16x = 1,889,645.76 × 757,470.96
  4. Step 4: Simplify right side
    1,369,334.16x = 1,431,351,787,887.13
  5. Step 5: Solve for x
    x = 1,431,351,787,887.13/1,369,334.16
  6. Step 6: Final answer
    x = 1,045,290.35

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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.