Home / 1,012,226.56-1,518,497.28-338,099.20

Finding the Fourth Proportional to 1,012,226.56, 1,518,497.28 and 338,099.20

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Solution

The fourth proportional to 1,012,226.56, 1,518,497.28 and 338,099.20 is: 507,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,226.56 : 1,518,497.28 = 338,099.20 : x
  2. Step 2: Convert to fraction form
    1,012,226.56/1,518,497.28 = 338,099.20/x
  3. Step 3: Cross multiply
    1,012,226.56x = 1,518,497.28 × 338,099.20
  4. Step 4: Simplify right side
    1,012,226.56x = 513,402,715,570.18
  5. Step 5: Solve for x
    x = 513,402,715,570.18/1,012,226.56
  6. Step 6: Final answer
    x = 507,201.39

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Double scale
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Similar ratio
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1.5x scale

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.