Home / 948,901.28-1,421,777.25-667,828.04

Finding the Fourth Proportional to 948,901.28, 1,421,777.25 and 667,828.04

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Solution

The fourth proportional to 948,901.28, 1,421,777.25 and 667,828.04 is: 1,000,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,901.28 : 1,421,777.25 = 667,828.04 : x
  2. Step 2: Convert to fraction form
    948,901.28/1,421,777.25 = 667,828.04/x
  3. Step 3: Cross multiply
    948,901.28x = 1,421,777.25 × 667,828.04
  4. Step 4: Simplify right side
    948,901.28x = 949,502,707,075.20
  5. Step 5: Solve for x
    x = 949,502,707,075.20/948,901.28
  6. Step 6: Final answer
    x = 1,000,633.82

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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.