Home / 1,816,303.40-2,726,010.30-806,978.60

Finding the Fourth Proportional to 1,816,303.40, 2,726,010.30 and 806,978.60

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Solution

The fourth proportional to 1,816,303.40, 2,726,010.30 and 806,978.60 is: 1,211,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,303.40 : 2,726,010.30 = 806,978.60 : x
  2. Step 2: Convert to fraction form
    1,816,303.40/2,726,010.30 = 806,978.60/x
  3. Step 3: Cross multiply
    1,816,303.40x = 2,726,010.30 × 806,978.60
  4. Step 4: Simplify right side
    1,816,303.40x = 2,199,831,975,479.58
  5. Step 5: Solve for x
    x = 2,199,831,975,479.58/1,816,303.40
  6. Step 6: Final answer
    x = 1,211,158.87

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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.