Home / 1,559,612.90-2,339,246.55-1,278,640.10

Finding the Fourth Proportional to 1,559,612.90, 2,339,246.55 and 1,278,640.10

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Solution

The fourth proportional to 1,559,612.90, 2,339,246.55 and 1,278,640.10 is: 1,917,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,612.90 : 2,339,246.55 = 1,278,640.10 : x
  2. Step 2: Convert to fraction form
    1,559,612.90/2,339,246.55 = 1,278,640.10/x
  3. Step 3: Cross multiply
    1,559,612.90x = 2,339,246.55 × 1,278,640.10
  4. Step 4: Simplify right side
    1,559,612.90x = 2,991,054,442,616.66
  5. Step 5: Solve for x
    x = 2,991,054,442,616.66/1,559,612.90
  6. Step 6: Final answer
    x = 1,917,818.48

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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.