Home / 1,225,378.59-1,836,386.34-775,293.73

Finding the Fourth Proportional to 1,225,378.59, 1,836,386.34 and 775,293.73

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Solution

The fourth proportional to 1,225,378.59, 1,836,386.34 and 775,293.73 is: 1,161,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,378.59 : 1,836,386.34 = 775,293.73 : x
  2. Step 2: Convert to fraction form
    1,225,378.59/1,836,386.34 = 775,293.73/x
  3. Step 3: Cross multiply
    1,225,378.59x = 1,836,386.34 × 775,293.73
  4. Step 4: Simplify right side
    1,225,378.59x = 1,423,738,815,259.65
  5. Step 5: Solve for x
    x = 1,423,738,815,259.65/1,225,378.59
  6. Step 6: Final answer
    x = 1,161,876.69

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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.