Home / 1,069,505.16-1,476,588.24-688,194.60

Finding the Fourth Proportional to 1,069,505.16, 1,476,588.24 and 688,194.60

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Solution

The fourth proportional to 1,069,505.16, 1,476,588.24 and 688,194.60 is: 950,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,505.16 : 1,476,588.24 = 688,194.60 : x
  2. Step 2: Convert to fraction form
    1,069,505.16/1,476,588.24 = 688,194.60/x
  3. Step 3: Cross multiply
    1,069,505.16x = 1,476,588.24 × 688,194.60
  4. Step 4: Simplify right side
    1,069,505.16x = 1,016,180,053,191.50
  5. Step 5: Solve for x
    x = 1,016,180,053,191.50/1,069,505.16
  6. Step 6: Final answer
    x = 950,140.39

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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.