Home / 1,986,627.60-2,979,941.40-724,496.40

Finding the Fourth Proportional to 1,986,627.60, 2,979,941.40 and 724,496.40

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Solution

The fourth proportional to 1,986,627.60, 2,979,941.40 and 724,496.40 is: 1,086,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,627.60 : 2,979,941.40 = 724,496.40 : x
  2. Step 2: Convert to fraction form
    1,986,627.60/2,979,941.40 = 724,496.40/x
  3. Step 3: Cross multiply
    1,986,627.60x = 2,979,941.40 × 724,496.40
  4. Step 4: Simplify right side
    1,986,627.60x = 2,158,956,816,510.96
  5. Step 5: Solve for x
    x = 2,158,956,816,510.96/1,986,627.60
  6. Step 6: Final answer
    x = 1,086,744.60

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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.