Home / 985,748.20-1,476,548.70-819,860.20

Finding the Fourth Proportional to 985,748.20, 1,476,548.70 and 819,860.20

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Solution

The fourth proportional to 985,748.20, 1,476,548.70 and 819,860.20 is: 1,228,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,748.20 : 1,476,548.70 = 819,860.20 : x
  2. Step 2: Convert to fraction form
    985,748.20/1,476,548.70 = 819,860.20/x
  3. Step 3: Cross multiply
    985,748.20x = 1,476,548.70 × 819,860.20
  4. Step 4: Simplify right side
    985,748.20x = 1,210,563,512,491.74
  5. Step 5: Solve for x
    x = 1,210,563,512,491.74/985,748.20
  6. Step 6: Final answer
    x = 1,228,065.66

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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.