Home / 1,371,550-1,892,758.56-790,761.64

Finding the Fourth Proportional to 1,371,550, 1,892,758.56 and 790,761.64

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Solution

The fourth proportional to 1,371,550, 1,892,758.56 and 790,761.64 is: 1,091,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,550 : 1,892,758.56 = 790,761.64 : x
  2. Step 2: Convert to fraction form
    1,371,550/1,892,758.56 = 790,761.64/x
  3. Step 3: Cross multiply
    1,371,550x = 1,892,758.56 × 790,761.64
  4. Step 4: Simplify right side
    1,371,550x = 1,496,720,863,029.64
  5. Step 5: Solve for x
    x = 1,496,720,863,029.64/1,371,550
  6. Step 6: Final answer
    x = 1,091,262.34

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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.