Home / 1,315,374.30-1,972,307.82-404,319.51

Finding the Fourth Proportional to 1,315,374.30, 1,972,307.82 and 404,319.51

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Solution

The fourth proportional to 1,315,374.30, 1,972,307.82 and 404,319.51 is: 606,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,374.30 : 1,972,307.82 = 404,319.51 : x
  2. Step 2: Convert to fraction form
    1,315,374.30/1,972,307.82 = 404,319.51/x
  3. Step 3: Cross multiply
    1,315,374.30x = 1,972,307.82 × 404,319.51
  4. Step 4: Simplify right side
    1,315,374.30x = 797,442,531,351.57
  5. Step 5: Solve for x
    x = 797,442,531,351.57/1,315,374.30
  6. Step 6: Final answer
    x = 606,247.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.