Home / 1,158,280.20-1,735,346.70-992,392.20

Finding the Fourth Proportional to 1,158,280.20, 1,735,346.70 and 992,392.20

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Solution

The fourth proportional to 1,158,280.20, 1,735,346.70 and 992,392.20 is: 1,486,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,280.20 : 1,735,346.70 = 992,392.20 : x
  2. Step 2: Convert to fraction form
    1,158,280.20/1,735,346.70 = 992,392.20/x
  3. Step 3: Cross multiply
    1,158,280.20x = 1,735,346.70 × 992,392.20
  4. Step 4: Simplify right side
    1,158,280.20x = 1,722,144,529,375.74
  5. Step 5: Solve for x
    x = 1,722,144,529,375.74/1,158,280.20
  6. Step 6: Final answer
    x = 1,486,811.68

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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.