Home / 1,220,558.38-1,830,587.32-462,138.20

Finding the Fourth Proportional to 1,220,558.38, 1,830,587.32 and 462,138.20

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Solution

The fourth proportional to 1,220,558.38, 1,830,587.32 and 462,138.20 is: 693,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,558.38 : 1,830,587.32 = 462,138.20 : x
  2. Step 2: Convert to fraction form
    1,220,558.38/1,830,587.32 = 462,138.20/x
  3. Step 3: Cross multiply
    1,220,558.38x = 1,830,587.32 × 462,138.20
  4. Step 4: Simplify right side
    1,220,558.38x = 845,984,329,007.62
  5. Step 5: Solve for x
    x = 845,984,329,007.62/1,220,558.38
  6. Step 6: Final answer
    x = 693,112.55

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Double scale
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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.