Home / 1,335,868.12-2,004,009.54-449,335

Finding the Fourth Proportional to 1,335,868.12, 2,004,009.54 and 449,335

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Solution

The fourth proportional to 1,335,868.12, 2,004,009.54 and 449,335 is: 674,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,868.12 : 2,004,009.54 = 449,335 : x
  2. Step 2: Convert to fraction form
    1,335,868.12/2,004,009.54 = 449,335/x
  3. Step 3: Cross multiply
    1,335,868.12x = 2,004,009.54 × 449,335
  4. Step 4: Simplify right side
    1,335,868.12x = 900,471,626,655.90
  5. Step 5: Solve for x
    x = 900,471,626,655.90/1,335,868.12
  6. Step 6: Final answer
    x = 674,072.25

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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.