Home / 1,492,221.20-2,240,664.60-862,365.20

Finding the Fourth Proportional to 1,492,221.20, 2,240,664.60 and 862,365.20

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Solution

The fourth proportional to 1,492,221.20, 2,240,664.60 and 862,365.20 is: 1,294,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,221.20 : 2,240,664.60 = 862,365.20 : x
  2. Step 2: Convert to fraction form
    1,492,221.20/2,240,664.60 = 862,365.20/x
  3. Step 3: Cross multiply
    1,492,221.20x = 2,240,664.60 × 862,365.20
  4. Step 4: Simplify right side
    1,492,221.20x = 1,932,271,175,911.92
  5. Step 5: Solve for x
    x = 1,932,271,175,911.92/1,492,221.20
  6. Step 6: Final answer
    x = 1,294,895.94

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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.