Home / 1,201,509.70-1,803,285.15-492,046.90

Finding the Fourth Proportional to 1,201,509.70, 1,803,285.15 and 492,046.90

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Solution

The fourth proportional to 1,201,509.70, 1,803,285.15 and 492,046.90 is: 738,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,509.70 : 1,803,285.15 = 492,046.90 : x
  2. Step 2: Convert to fraction form
    1,201,509.70/1,803,285.15 = 492,046.90/x
  3. Step 3: Cross multiply
    1,201,509.70x = 1,803,285.15 × 492,046.90
  4. Step 4: Simplify right side
    1,201,509.70x = 887,300,867,873.54
  5. Step 5: Solve for x
    x = 887,300,867,873.54/1,201,509.70
  6. Step 6: Final answer
    x = 738,488.31

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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.