Home / 997,958.80-1,496,938.20-920,976.40

Finding the Fourth Proportional to 997,958.80, 1,496,938.20 and 920,976.40

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Solution

The fourth proportional to 997,958.80, 1,496,938.20 and 920,976.40 is: 1,381,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,958.80 : 1,496,938.20 = 920,976.40 : x
  2. Step 2: Convert to fraction form
    997,958.80/1,496,938.20 = 920,976.40/x
  3. Step 3: Cross multiply
    997,958.80x = 1,496,938.20 × 920,976.40
  4. Step 4: Simplify right side
    997,958.80x = 1,378,644,754,458.48
  5. Step 5: Solve for x
    x = 1,378,644,754,458.48/997,958.80
  6. Step 6: Final answer
    x = 1,381,464.60

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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.