Home / 1,434,974.96-1,980,265.23-790,395.14

Finding the Fourth Proportional to 1,434,974.96, 1,980,265.23 and 790,395.14

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Solution

The fourth proportional to 1,434,974.96, 1,980,265.23 and 790,395.14 is: 1,090,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,974.96 : 1,980,265.23 = 790,395.14 : x
  2. Step 2: Convert to fraction form
    1,434,974.96/1,980,265.23 = 790,395.14/x
  3. Step 3: Cross multiply
    1,434,974.96x = 1,980,265.23 × 790,395.14
  4. Step 4: Simplify right side
    1,434,974.96x = 1,565,192,018,653.65
  5. Step 5: Solve for x
    x = 1,565,192,018,653.65/1,434,974.96
  6. Step 6: Final answer
    x = 1,090,745.18

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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.