Home / 1,210,187.40-1,815,281.10-580,331.40

Finding the Fourth Proportional to 1,210,187.40, 1,815,281.10 and 580,331.40

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Solution

The fourth proportional to 1,210,187.40, 1,815,281.10 and 580,331.40 is: 870,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,187.40 : 1,815,281.10 = 580,331.40 : x
  2. Step 2: Convert to fraction form
    1,210,187.40/1,815,281.10 = 580,331.40/x
  3. Step 3: Cross multiply
    1,210,187.40x = 1,815,281.10 × 580,331.40
  4. Step 4: Simplify right side
    1,210,187.40x = 1,053,464,622,156.54
  5. Step 5: Solve for x
    x = 1,053,464,622,156.54/1,210,187.40
  6. Step 6: Final answer
    x = 870,497.10

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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.