Home / 1,119,219.94-1,677,240.12-862,080.34

Finding the Fourth Proportional to 1,119,219.94, 1,677,240.12 and 862,080.34

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Solution

The fourth proportional to 1,119,219.94, 1,677,240.12 and 862,080.34 is: 1,291,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,219.94 : 1,677,240.12 = 862,080.34 : x
  2. Step 2: Convert to fraction form
    1,119,219.94/1,677,240.12 = 862,080.34/x
  3. Step 3: Cross multiply
    1,119,219.94x = 1,677,240.12 × 862,080.34
  4. Step 4: Simplify right side
    1,119,219.94x = 1,445,915,732,911.24
  5. Step 5: Solve for x
    x = 1,445,915,732,911.24/1,119,219.94
  6. Step 6: Final answer
    x = 1,291,895.97

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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.