Home / 997,631.40-1,496,447.10-867,723.60

Finding the Fourth Proportional to 997,631.40, 1,496,447.10 and 867,723.60

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Solution

The fourth proportional to 997,631.40, 1,496,447.10 and 867,723.60 is: 1,301,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,631.40 : 1,496,447.10 = 867,723.60 : x
  2. Step 2: Convert to fraction form
    997,631.40/1,496,447.10 = 867,723.60/x
  3. Step 3: Cross multiply
    997,631.40x = 1,496,447.10 × 867,723.60
  4. Step 4: Simplify right side
    997,631.40x = 1,298,502,464,821.56
  5. Step 5: Solve for x
    x = 1,298,502,464,821.56/997,631.40
  6. Step 6: Final answer
    x = 1,301,585.40

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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.