Home / 1,438,196.40-2,154,670.20-876,574.80

Finding the Fourth Proportional to 1,438,196.40, 2,154,670.20 and 876,574.80

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Solution

The fourth proportional to 1,438,196.40, 2,154,670.20 and 876,574.80 is: 1,313,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,196.40 : 2,154,670.20 = 876,574.80 : x
  2. Step 2: Convert to fraction form
    1,438,196.40/2,154,670.20 = 876,574.80/x
  3. Step 3: Cross multiply
    1,438,196.40x = 2,154,670.20 × 876,574.80
  4. Step 4: Simplify right side
    1,438,196.40x = 1,888,729,599,630.96
  5. Step 5: Solve for x
    x = 1,888,729,599,630.96/1,438,196.40
  6. Step 6: Final answer
    x = 1,313,262.64

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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.