Home / 1,449,426.70-2,174,140.05-910,549.90

Finding the Fourth Proportional to 1,449,426.70, 2,174,140.05 and 910,549.90

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Solution

The fourth proportional to 1,449,426.70, 2,174,140.05 and 910,549.90 is: 1,365,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,426.70 : 2,174,140.05 = 910,549.90 : x
  2. Step 2: Convert to fraction form
    1,449,426.70/2,174,140.05 = 910,549.90/x
  3. Step 3: Cross multiply
    1,449,426.70x = 2,174,140.05 × 910,549.90
  4. Step 4: Simplify right side
    1,449,426.70x = 1,979,663,005,113.50
  5. Step 5: Solve for x
    x = 1,979,663,005,113.50/1,449,426.70
  6. Step 6: Final answer
    x = 1,365,824.85

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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.