Home / 1,187,085.31-1,638,742.59-795,292.90

Finding the Fourth Proportional to 1,187,085.31, 1,638,742.59 and 795,292.90

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Solution

The fourth proportional to 1,187,085.31, 1,638,742.59 and 795,292.90 is: 1,097,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,085.31 : 1,638,742.59 = 795,292.90 : x
  2. Step 2: Convert to fraction form
    1,187,085.31/1,638,742.59 = 795,292.90/x
  3. Step 3: Cross multiply
    1,187,085.31x = 1,638,742.59 × 795,292.90
  4. Step 4: Simplify right side
    1,187,085.31x = 1,303,280,342,657.75
  5. Step 5: Solve for x
    x = 1,303,280,342,657.75/1,187,085.31
  6. Step 6: Final answer
    x = 1,097,882.63

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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.