Home / 1,210,281.60-1,815,422.40-501,693.60

Finding the Fourth Proportional to 1,210,281.60, 1,815,422.40 and 501,693.60

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Solution

The fourth proportional to 1,210,281.60, 1,815,422.40 and 501,693.60 is: 752,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,281.60 : 1,815,422.40 = 501,693.60 : x
  2. Step 2: Convert to fraction form
    1,210,281.60/1,815,422.40 = 501,693.60/x
  3. Step 3: Cross multiply
    1,210,281.60x = 1,815,422.40 × 501,693.60
  4. Step 4: Simplify right side
    1,210,281.60x = 910,785,799,376.64
  5. Step 5: Solve for x
    x = 910,785,799,376.64/1,210,281.60
  6. Step 6: Final answer
    x = 752,540.40

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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.