Home / 1,341,133.20-2,009,075.40-807,067.80

Finding the Fourth Proportional to 1,341,133.20, 2,009,075.40 and 807,067.80

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Solution

The fourth proportional to 1,341,133.20, 2,009,075.40 and 807,067.80 is: 1,209,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,133.20 : 2,009,075.40 = 807,067.80 : x
  2. Step 2: Convert to fraction form
    1,341,133.20/2,009,075.40 = 807,067.80/x
  3. Step 3: Cross multiply
    1,341,133.20x = 2,009,075.40 × 807,067.80
  4. Step 4: Simplify right side
    1,341,133.20x = 1,621,460,063,112.12
  5. Step 5: Solve for x
    x = 1,621,460,063,112.12/1,341,133.20
  6. Step 6: Final answer
    x = 1,209,022.39

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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.