Home / 1,335,131.80-2,003,273.70-774,645.40

Finding the Fourth Proportional to 1,335,131.80, 2,003,273.70 and 774,645.40

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Solution

The fourth proportional to 1,335,131.80, 2,003,273.70 and 774,645.40 is: 1,162,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,131.80 : 2,003,273.70 = 774,645.40 : x
  2. Step 2: Convert to fraction form
    1,335,131.80/2,003,273.70 = 774,645.40/x
  3. Step 3: Cross multiply
    1,335,131.80x = 2,003,273.70 × 774,645.40
  4. Step 4: Simplify right side
    1,335,131.80x = 1,551,826,756,645.98
  5. Step 5: Solve for x
    x = 1,551,826,756,645.98/1,335,131.80
  6. Step 6: Final answer
    x = 1,162,302.30

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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.