Home / 1,590,604.80-2,195,013.24-865,444.20

Finding the Fourth Proportional to 1,590,604.80, 2,195,013.24 and 865,444.20

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Solution

The fourth proportional to 1,590,604.80, 2,195,013.24 and 865,444.20 is: 1,194,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,604.80 : 2,195,013.24 = 865,444.20 : x
  2. Step 2: Convert to fraction form
    1,590,604.80/2,195,013.24 = 865,444.20/x
  3. Step 3: Cross multiply
    1,590,604.80x = 2,195,013.24 × 865,444.20
  4. Step 4: Simplify right side
    1,590,604.80x = 1,899,661,477,481.21
  5. Step 5: Solve for x
    x = 1,899,661,477,481.21/1,590,604.80
  6. Step 6: Final answer
    x = 1,194,301.36

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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.