Home / 1,228,975.20-1,843,462.80-803,822.40

Finding the Fourth Proportional to 1,228,975.20, 1,843,462.80 and 803,822.40

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Solution

The fourth proportional to 1,228,975.20, 1,843,462.80 and 803,822.40 is: 1,205,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,975.20 : 1,843,462.80 = 803,822.40 : x
  2. Step 2: Convert to fraction form
    1,228,975.20/1,843,462.80 = 803,822.40/x
  3. Step 3: Cross multiply
    1,228,975.20x = 1,843,462.80 × 803,822.40
  4. Step 4: Simplify right side
    1,228,975.20x = 1,481,816,692,206.72
  5. Step 5: Solve for x
    x = 1,481,816,692,206.72/1,228,975.20
  6. Step 6: Final answer
    x = 1,205,733.60

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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.