Home / 1,567,606.40-2,347,910.40-1,287,670.40

Finding the Fourth Proportional to 1,567,606.40, 2,347,910.40 and 1,287,670.40

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Solution

The fourth proportional to 1,567,606.40, 2,347,910.40 and 1,287,670.40 is: 1,928,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,606.40 : 2,347,910.40 = 1,287,670.40 : x
  2. Step 2: Convert to fraction form
    1,567,606.40/2,347,910.40 = 1,287,670.40/x
  3. Step 3: Cross multiply
    1,567,606.40x = 2,347,910.40 × 1,287,670.40
  4. Step 4: Simplify right side
    1,567,606.40x = 3,023,334,723,932.16
  5. Step 5: Solve for x
    x = 3,023,334,723,932.16/1,567,606.40
  6. Step 6: Final answer
    x = 1,928,631.27

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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.