Home / 1,134,784.40-1,702,061.40-386,819.60

Finding the Fourth Proportional to 1,134,784.40, 1,702,061.40 and 386,819.60

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Solution

The fourth proportional to 1,134,784.40, 1,702,061.40 and 386,819.60 is: 580,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,784.40 : 1,702,061.40 = 386,819.60 : x
  2. Step 2: Convert to fraction form
    1,134,784.40/1,702,061.40 = 386,819.60/x
  3. Step 3: Cross multiply
    1,134,784.40x = 1,702,061.40 × 386,819.60
  4. Step 4: Simplify right side
    1,134,784.40x = 658,390,709,923.44
  5. Step 5: Solve for x
    x = 658,390,709,923.44/1,134,784.40
  6. Step 6: Final answer
    x = 580,190.13

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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.