Home / 1,100,636.85-1,650,955.28-948,421.65

Finding the Fourth Proportional to 1,100,636.85, 1,650,955.28 and 948,421.65

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Solution

The fourth proportional to 1,100,636.85, 1,650,955.28 and 948,421.65 is: 1,422,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,636.85 : 1,650,955.28 = 948,421.65 : x
  2. Step 2: Convert to fraction form
    1,100,636.85/1,650,955.28 = 948,421.65/x
  3. Step 3: Cross multiply
    1,100,636.85x = 1,650,955.28 × 948,421.65
  4. Step 4: Simplify right side
    1,100,636.85x = 1,565,801,725,991.70
  5. Step 5: Solve for x
    x = 1,565,801,725,991.70/1,100,636.85
  6. Step 6: Final answer
    x = 1,422,632.48

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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.