Home / 1,346,107.10-2,016,439.05-839,111.90

Finding the Fourth Proportional to 1,346,107.10, 2,016,439.05 and 839,111.90

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Solution

The fourth proportional to 1,346,107.10, 2,016,439.05 and 839,111.90 is: 1,256,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,107.10 : 2,016,439.05 = 839,111.90 : x
  2. Step 2: Convert to fraction form
    1,346,107.10/2,016,439.05 = 839,111.90/x
  3. Step 3: Cross multiply
    1,346,107.10x = 2,016,439.05 × 839,111.90
  4. Step 4: Simplify right side
    1,346,107.10x = 1,692,018,002,479.70
  5. Step 5: Solve for x
    x = 1,692,018,002,479.70/1,346,107.10
  6. Step 6: Final answer
    x = 1,256,971.31

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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.