Home / 1,518,669-2,278,134.72-396,738

Finding the Fourth Proportional to 1,518,669, 2,278,134.72 and 396,738

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Solution

The fourth proportional to 1,518,669, 2,278,134.72 and 396,738 is: 595,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,669 : 2,278,134.72 = 396,738 : x
  2. Step 2: Convert to fraction form
    1,518,669/2,278,134.72 = 396,738/x
  3. Step 3: Cross multiply
    1,518,669x = 2,278,134.72 × 396,738
  4. Step 4: Simplify right side
    1,518,669x = 903,822,612,543.36
  5. Step 5: Solve for x
    x = 903,822,612,543.36/1,518,669
  6. Step 6: Final answer
    x = 595,141.28

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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.