Home / 1,449,421.70-2,174,132.55-910,544.90

Finding the Fourth Proportional to 1,449,421.70, 2,174,132.55 and 910,544.90

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Solution

The fourth proportional to 1,449,421.70, 2,174,132.55 and 910,544.90 is: 1,365,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,421.70 : 2,174,132.55 = 910,544.90 : x
  2. Step 2: Convert to fraction form
    1,449,421.70/2,174,132.55 = 910,544.90/x
  3. Step 3: Cross multiply
    1,449,421.70x = 2,174,132.55 × 910,544.90
  4. Step 4: Simplify right side
    1,449,421.70x = 1,979,645,305,326.50
  5. Step 5: Solve for x
    x = 1,979,645,305,326.50/1,449,421.70
  6. Step 6: Final answer
    x = 1,365,817.35

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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.