Home / 1,201,519.20-1,803,299.40-492,056.40

Finding the Fourth Proportional to 1,201,519.20, 1,803,299.40 and 492,056.40

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Solution

The fourth proportional to 1,201,519.20, 1,803,299.40 and 492,056.40 is: 738,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,519.20 : 1,803,299.40 = 492,056.40 : x
  2. Step 2: Convert to fraction form
    1,201,519.20/1,803,299.40 = 492,056.40/x
  3. Step 3: Cross multiply
    1,201,519.20x = 1,803,299.40 × 492,056.40
  4. Step 4: Simplify right side
    1,201,519.20x = 887,325,010,886.16
  5. Step 5: Solve for x
    x = 887,325,010,886.16/1,201,519.20
  6. Step 6: Final answer
    x = 738,502.56

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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.