Home / 1,210,246.20-1,815,369.30-580,390.20

Finding the Fourth Proportional to 1,210,246.20, 1,815,369.30 and 580,390.20

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Solution

The fourth proportional to 1,210,246.20, 1,815,369.30 and 580,390.20 is: 870,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,246.20 : 1,815,369.30 = 580,390.20 : x
  2. Step 2: Convert to fraction form
    1,210,246.20/1,815,369.30 = 580,390.20/x
  3. Step 3: Cross multiply
    1,210,246.20x = 1,815,369.30 × 580,390.20
  4. Step 4: Simplify right side
    1,210,246.20x = 1,053,622,551,100.86
  5. Step 5: Solve for x
    x = 1,053,622,551,100.86/1,210,246.20
  6. Step 6: Final answer
    x = 870,585.30

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Double scale
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Similar ratio
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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.