Home / 849,853.40-1,274,780.10-808,519.10

Finding the Fourth Proportional to 849,853.40, 1,274,780.10 and 808,519.10

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Solution

The fourth proportional to 849,853.40, 1,274,780.10 and 808,519.10 is: 1,212,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,853.40 : 1,274,780.10 = 808,519.10 : x
  2. Step 2: Convert to fraction form
    849,853.40/1,274,780.10 = 808,519.10/x
  3. Step 3: Cross multiply
    849,853.40x = 1,274,780.10 × 808,519.10
  4. Step 4: Simplify right side
    849,853.40x = 1,030,684,059,149.91
  5. Step 5: Solve for x
    x = 1,030,684,059,149.91/849,853.40
  6. Step 6: Final answer
    x = 1,212,778.65

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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.