Home / 1,213,117.20-1,816,081.56-898,984.08

Finding the Fourth Proportional to 1,213,117.20, 1,816,081.56 and 898,984.08

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Solution

The fourth proportional to 1,213,117.20, 1,816,081.56 and 898,984.08 is: 1,345,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,117.20 : 1,816,081.56 = 898,984.08 : x
  2. Step 2: Convert to fraction form
    1,213,117.20/1,816,081.56 = 898,984.08/x
  3. Step 3: Cross multiply
    1,213,117.20x = 1,816,081.56 × 898,984.08
  4. Step 4: Simplify right side
    1,213,117.20x = 1,632,628,410,421.56
  5. Step 5: Solve for x
    x = 1,632,628,410,421.56/1,213,117.20
  6. Step 6: Final answer
    x = 1,345,812.60

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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.