Home / 1,245,133.80-1,867,700.70-1,132,940.70

Finding the Fourth Proportional to 1,245,133.80, 1,867,700.70 and 1,132,940.70

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Solution

The fourth proportional to 1,245,133.80, 1,867,700.70 and 1,132,940.70 is: 1,699,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,133.80 : 1,867,700.70 = 1,132,940.70 : x
  2. Step 2: Convert to fraction form
    1,245,133.80/1,867,700.70 = 1,132,940.70/x
  3. Step 3: Cross multiply
    1,245,133.80x = 1,867,700.70 × 1,132,940.70
  4. Step 4: Simplify right side
    1,245,133.80x = 2,115,994,138,448.49
  5. Step 5: Solve for x
    x = 2,115,994,138,448.49/1,245,133.80
  6. Step 6: Final answer
    x = 1,699,411.05

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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.