Home / 1,049,403.60-1,448,135.28-619,821.72

Finding the Fourth Proportional to 1,049,403.60, 1,448,135.28 and 619,821.72

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Solution

The fourth proportional to 1,049,403.60, 1,448,135.28 and 619,821.72 is: 855,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,403.60 : 1,448,135.28 = 619,821.72 : x
  2. Step 2: Convert to fraction form
    1,049,403.60/1,448,135.28 = 619,821.72/x
  3. Step 3: Cross multiply
    1,049,403.60x = 1,448,135.28 × 619,821.72
  4. Step 4: Simplify right side
    1,049,403.60x = 897,585,700,042.28
  5. Step 5: Solve for x
    x = 897,585,700,042.28/1,049,403.60
  6. Step 6: Final answer
    x = 855,329.35

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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.