Home / 993,991.20-1,487,487.60-910,010.40

Finding the Fourth Proportional to 993,991.20, 1,487,487.60 and 910,010.40

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Solution

The fourth proportional to 993,991.20, 1,487,487.60 and 910,010.40 is: 1,361,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,991.20 : 1,487,487.60 = 910,010.40 : x
  2. Step 2: Convert to fraction form
    993,991.20/1,487,487.60 = 910,010.40/x
  3. Step 3: Cross multiply
    993,991.20x = 1,487,487.60 × 910,010.40
  4. Step 4: Simplify right side
    993,991.20x = 1,353,629,185,871.04
  5. Step 5: Solve for x
    x = 1,353,629,185,871.04/993,991.20
  6. Step 6: Final answer
    x = 1,361,812.04

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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.