Home / 1,478,470.88-2,040,279.92-833,896.40

Finding the Fourth Proportional to 1,478,470.88, 2,040,279.92 and 833,896.40

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Solution

The fourth proportional to 1,478,470.88, 2,040,279.92 and 833,896.40 is: 1,150,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,470.88 : 2,040,279.92 = 833,896.40 : x
  2. Step 2: Convert to fraction form
    1,478,470.88/2,040,279.92 = 833,896.40/x
  3. Step 3: Cross multiply
    1,478,470.88x = 2,040,279.92 × 833,896.40
  4. Step 4: Simplify right side
    1,478,470.88x = 1,701,382,080,280.29
  5. Step 5: Solve for x
    x = 1,701,382,080,280.29/1,478,470.88
  6. Step 6: Final answer
    x = 1,150,771.45

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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.