Home / 837,124.80-1,255,687.20-276,086.40

Finding the Fourth Proportional to 837,124.80, 1,255,687.20 and 276,086.40

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Solution

The fourth proportional to 837,124.80, 1,255,687.20 and 276,086.40 is: 414,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,124.80 : 1,255,687.20 = 276,086.40 : x
  2. Step 2: Convert to fraction form
    837,124.80/1,255,687.20 = 276,086.40/x
  3. Step 3: Cross multiply
    837,124.80x = 1,255,687.20 × 276,086.40
  4. Step 4: Simplify right side
    837,124.80x = 346,678,158,574.08
  5. Step 5: Solve for x
    x = 346,678,158,574.08/837,124.80
  6. Step 6: Final answer
    x = 414,129.60

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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.