Home / 1,278,002.10-1,763,642.76-705,042.26

Finding the Fourth Proportional to 1,278,002.10, 1,763,642.76 and 705,042.26

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Solution

The fourth proportional to 1,278,002.10, 1,763,642.76 and 705,042.26 is: 972,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,002.10 : 1,763,642.76 = 705,042.26 : x
  2. Step 2: Convert to fraction form
    1,278,002.10/1,763,642.76 = 705,042.26/x
  3. Step 3: Cross multiply
    1,278,002.10x = 1,763,642.76 × 705,042.26
  4. Step 4: Simplify right side
    1,278,002.10x = 1,243,442,677,343.04
  5. Step 5: Solve for x
    x = 1,243,442,677,343.04/1,278,002.10
  6. Step 6: Final answer
    x = 972,958.24

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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.