Home / 1,159,228.80-1,738,843.20-716,246.40

Finding the Fourth Proportional to 1,159,228.80, 1,738,843.20 and 716,246.40

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Solution

The fourth proportional to 1,159,228.80, 1,738,843.20 and 716,246.40 is: 1,074,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,228.80 : 1,738,843.20 = 716,246.40 : x
  2. Step 2: Convert to fraction form
    1,159,228.80/1,738,843.20 = 716,246.40/x
  3. Step 3: Cross multiply
    1,159,228.80x = 1,738,843.20 × 716,246.40
  4. Step 4: Simplify right side
    1,159,228.80x = 1,245,440,182,164.48
  5. Step 5: Solve for x
    x = 1,245,440,182,164.48/1,159,228.80
  6. Step 6: Final answer
    x = 1,074,369.60

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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.