Home / 1,177,334.40-1,764,187.20-876,403.20

Finding the Fourth Proportional to 1,177,334.40, 1,764,187.20 and 876,403.20

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Solution

The fourth proportional to 1,177,334.40, 1,764,187.20 and 876,403.20 is: 1,313,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,334.40 : 1,764,187.20 = 876,403.20 : x
  2. Step 2: Convert to fraction form
    1,177,334.40/1,764,187.20 = 876,403.20/x
  3. Step 3: Cross multiply
    1,177,334.40x = 1,764,187.20 × 876,403.20
  4. Step 4: Simplify right side
    1,177,334.40x = 1,546,139,307,479.04
  5. Step 5: Solve for x
    x = 1,546,139,307,479.04/1,177,334.40
  6. Step 6: Final answer
    x = 1,313,254.17

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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.