Home / 1,556,216.20-2,330,562.30-1,288,002.52

Finding the Fourth Proportional to 1,556,216.20, 2,330,562.30 and 1,288,002.52

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Solution

The fourth proportional to 1,556,216.20, 2,330,562.30 and 1,288,002.52 is: 1,928,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,216.20 : 2,330,562.30 = 1,288,002.52 : x
  2. Step 2: Convert to fraction form
    1,556,216.20/2,330,562.30 = 1,288,002.52/x
  3. Step 3: Cross multiply
    1,556,216.20x = 2,330,562.30 × 1,288,002.52
  4. Step 4: Simplify right side
    1,556,216.20x = 3,001,770,115,417.00
  5. Step 5: Solve for x
    x = 3,001,770,115,417.00/1,556,216.20
  6. Step 6: Final answer
    x = 1,928,890.16

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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.