Home / 1,775,779.52-2,449,976.09-1,011,291.80

Finding the Fourth Proportional to 1,775,779.52, 2,449,976.09 and 1,011,291.80

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Solution

The fourth proportional to 1,775,779.52, 2,449,976.09 and 1,011,291.80 is: 1,395,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,779.52 : 2,449,976.09 = 1,011,291.80 : x
  2. Step 2: Convert to fraction form
    1,775,779.52/2,449,976.09 = 1,011,291.80/x
  3. Step 3: Cross multiply
    1,775,779.52x = 2,449,976.09 × 1,011,291.80
  4. Step 4: Simplify right side
    1,775,779.52x = 2,477,640,712,706.72
  5. Step 5: Solve for x
    x = 2,477,640,712,706.72/1,775,779.52
  6. Step 6: Final answer
    x = 1,395,241.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.