Home / 1,389,645.80-2,084,468.70-1,336,501.70

Finding the Fourth Proportional to 1,389,645.80, 2,084,468.70 and 1,336,501.70

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Solution

The fourth proportional to 1,389,645.80, 2,084,468.70 and 1,336,501.70 is: 2,004,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,645.80 : 2,084,468.70 = 1,336,501.70 : x
  2. Step 2: Convert to fraction form
    1,389,645.80/2,084,468.70 = 1,336,501.70/x
  3. Step 3: Cross multiply
    1,389,645.80x = 2,084,468.70 × 1,336,501.70
  4. Step 4: Simplify right side
    1,389,645.80x = 2,785,895,961,146.79
  5. Step 5: Solve for x
    x = 2,785,895,961,146.79/1,389,645.80
  6. Step 6: Final answer
    x = 2,004,752.55

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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.