Home / 1,069,279.96-1,475,533.38-627,899.80

Finding the Fourth Proportional to 1,069,279.96, 1,475,533.38 and 627,899.80

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Solution

The fourth proportional to 1,069,279.96, 1,475,533.38 and 627,899.80 is: 866,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,279.96 : 1,475,533.38 = 627,899.80 : x
  2. Step 2: Convert to fraction form
    1,069,279.96/1,475,533.38 = 627,899.80/x
  3. Step 3: Cross multiply
    1,069,279.96x = 1,475,533.38 × 627,899.80
  4. Step 4: Simplify right side
    1,069,279.96x = 926,487,114,195.32
  5. Step 5: Solve for x
    x = 926,487,114,195.32/1,069,279.96
  6. Step 6: Final answer
    x = 866,458.88

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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.