Home / 1,473,368.18-2,030,469.46-1,290,891.38

Finding the Fourth Proportional to 1,473,368.18, 2,030,469.46 and 1,290,891.38

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Solution

The fourth proportional to 1,473,368.18, 2,030,469.46 and 1,290,891.38 is: 1,778,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,368.18 : 2,030,469.46 = 1,290,891.38 : x
  2. Step 2: Convert to fraction form
    1,473,368.18/2,030,469.46 = 1,290,891.38/x
  3. Step 3: Cross multiply
    1,473,368.18x = 2,030,469.46 × 1,290,891.38
  4. Step 4: Simplify right side
    1,473,368.18x = 2,621,115,509,887.68
  5. Step 5: Solve for x
    x = 2,621,115,509,887.68/1,473,368.18
  6. Step 6: Final answer
    x = 1,778,995.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.