Home / 1,315,228.59-1,972,919.43-368,673.12

Finding the Fourth Proportional to 1,315,228.59, 1,972,919.43 and 368,673.12

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Solution

The fourth proportional to 1,315,228.59, 1,972,919.43 and 368,673.12 is: 553,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,228.59 : 1,972,919.43 = 368,673.12 : x
  2. Step 2: Convert to fraction form
    1,315,228.59/1,972,919.43 = 368,673.12/x
  3. Step 3: Cross multiply
    1,315,228.59x = 1,972,919.43 × 368,673.12
  4. Step 4: Simplify right side
    1,315,228.59x = 727,362,361,766.72
  5. Step 5: Solve for x
    x = 727,362,361,766.72/1,315,228.59
  6. Step 6: Final answer
    x = 553,031.14

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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.