Home / 1,341,097.20-2,009,021.40-807,031.80

Finding the Fourth Proportional to 1,341,097.20, 2,009,021.40 and 807,031.80

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Solution

The fourth proportional to 1,341,097.20, 2,009,021.40 and 807,031.80 is: 1,208,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,097.20 : 2,009,021.40 = 807,031.80 : x
  2. Step 2: Convert to fraction form
    1,341,097.20/2,009,021.40 = 807,031.80/x
  3. Step 3: Cross multiply
    1,341,097.20x = 2,009,021.40 × 807,031.80
  4. Step 4: Simplify right side
    1,341,097.20x = 1,621,344,156,680.52
  5. Step 5: Solve for x
    x = 1,621,344,156,680.52/1,341,097.20
  6. Step 6: Final answer
    x = 1,208,968.42

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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.