Home / 1,344,479.80-2,010,887.70-1,203,345.40

Finding the Fourth Proportional to 1,344,479.80, 2,010,887.70 and 1,203,345.40

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Solution

The fourth proportional to 1,344,479.80, 2,010,887.70 and 1,203,345.40 is: 1,799,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,479.80 : 2,010,887.70 = 1,203,345.40 : x
  2. Step 2: Convert to fraction form
    1,344,479.80/2,010,887.70 = 1,203,345.40/x
  3. Step 3: Cross multiply
    1,344,479.80x = 2,010,887.70 × 1,203,345.40
  4. Step 4: Simplify right side
    1,344,479.80x = 2,419,792,463,711.58
  5. Step 5: Solve for x
    x = 2,419,792,463,711.58/1,344,479.80
  6. Step 6: Final answer
    x = 1,799,798.30

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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.