Home / 1,087,497.60-1,631,246.40-299,529.60

Finding the Fourth Proportional to 1,087,497.60, 1,631,246.40 and 299,529.60

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Solution

The fourth proportional to 1,087,497.60, 1,631,246.40 and 299,529.60 is: 449,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,497.60 : 1,631,246.40 = 299,529.60 : x
  2. Step 2: Convert to fraction form
    1,087,497.60/1,631,246.40 = 299,529.60/x
  3. Step 3: Cross multiply
    1,087,497.60x = 1,631,246.40 × 299,529.60
  4. Step 4: Simplify right side
    1,087,497.60x = 488,606,581,693.44
  5. Step 5: Solve for x
    x = 488,606,581,693.44/1,087,497.60
  6. Step 6: Final answer
    x = 449,294.40

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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.