Home / 1,760,679.48-2,641,194.18-638,835.96

Finding the Fourth Proportional to 1,760,679.48, 2,641,194.18 and 638,835.96

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Solution

The fourth proportional to 1,760,679.48, 2,641,194.18 and 638,835.96 is: 958,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,679.48 : 2,641,194.18 = 638,835.96 : x
  2. Step 2: Convert to fraction form
    1,760,679.48/2,641,194.18 = 638,835.96/x
  3. Step 3: Cross multiply
    1,760,679.48x = 2,641,194.18 × 638,835.96
  4. Step 4: Simplify right side
    1,760,679.48x = 1,687,289,819,526.71
  5. Step 5: Solve for x
    x = 1,687,289,819,526.71/1,760,679.48
  6. Step 6: Final answer
    x = 958,317.42

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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.