Home / 1,434,774.15-1,980,077.84-790,194.18

Finding the Fourth Proportional to 1,434,774.15, 1,980,077.84 and 790,194.18

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Solution

The fourth proportional to 1,434,774.15, 1,980,077.84 and 790,194.18 is: 1,090,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,774.15 : 1,980,077.84 = 790,194.18 : x
  2. Step 2: Convert to fraction form
    1,434,774.15/1,980,077.84 = 790,194.18/x
  3. Step 3: Cross multiply
    1,434,774.15x = 1,980,077.84 × 790,194.18
  4. Step 4: Simplify right side
    1,434,774.15x = 1,564,645,985,114.97
  5. Step 5: Solve for x
    x = 1,564,645,985,114.97/1,434,774.15
  6. Step 6: Final answer
    x = 1,090,517.27

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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.