Home / 1,556,911.20-2,335,439.70-492,036.60

Finding the Fourth Proportional to 1,556,911.20, 2,335,439.70 and 492,036.60

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Solution

The fourth proportional to 1,556,911.20, 2,335,439.70 and 492,036.60 is: 738,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,911.20 : 2,335,439.70 = 492,036.60 : x
  2. Step 2: Convert to fraction form
    1,556,911.20/2,335,439.70 = 492,036.60/x
  3. Step 3: Cross multiply
    1,556,911.20x = 2,335,439.70 × 492,036.60
  4. Step 4: Simplify right side
    1,556,911.20x = 1,149,121,809,493.02
  5. Step 5: Solve for x
    x = 1,149,121,809,493.02/1,556,911.20
  6. Step 6: Final answer
    x = 738,077.94

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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.