Home / 1,315,377.32-1,972,312.32-404,322.52

Finding the Fourth Proportional to 1,315,377.32, 1,972,312.32 and 404,322.52

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Solution

The fourth proportional to 1,315,377.32, 1,972,312.32 and 404,322.52 is: 606,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,377.32 : 1,972,312.32 = 404,322.52 : x
  2. Step 2: Convert to fraction form
    1,315,377.32/1,972,312.32 = 404,322.52/x
  3. Step 3: Cross multiply
    1,315,377.32x = 1,972,312.32 × 404,322.52
  4. Step 4: Simplify right side
    1,315,377.32x = 797,450,287,449.45
  5. Step 5: Solve for x
    x = 797,450,287,449.45/1,315,377.32
  6. Step 6: Final answer
    x = 606,252.12

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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.