Home / 1,126,887.40-1,692,080.70-654,495.40

Finding the Fourth Proportional to 1,126,887.40, 1,692,080.70 and 654,495.40

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Solution

The fourth proportional to 1,126,887.40, 1,692,080.70 and 654,495.40 is: 982,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,887.40 : 1,692,080.70 = 654,495.40 : x
  2. Step 2: Convert to fraction form
    1,126,887.40/1,692,080.70 = 654,495.40/x
  3. Step 3: Cross multiply
    1,126,887.40x = 1,692,080.70 × 654,495.40
  4. Step 4: Simplify right side
    1,126,887.40x = 1,107,459,034,578.78
  5. Step 5: Solve for x
    x = 1,107,459,034,578.78/1,126,887.40
  6. Step 6: Final answer
    x = 982,759.27

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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.