Home / 1,109,769.60-1,531,470.72-600,460.80

Finding the Fourth Proportional to 1,109,769.60, 1,531,470.72 and 600,460.80

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Solution

The fourth proportional to 1,109,769.60, 1,531,470.72 and 600,460.80 is: 828,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,769.60 : 1,531,470.72 = 600,460.80 : x
  2. Step 2: Convert to fraction form
    1,109,769.60/1,531,470.72 = 600,460.80/x
  3. Step 3: Cross multiply
    1,109,769.60x = 1,531,470.72 × 600,460.80
  4. Step 4: Simplify right side
    1,109,769.60x = 919,588,133,707.78
  5. Step 5: Solve for x
    x = 919,588,133,707.78/1,109,769.60
  6. Step 6: Final answer
    x = 828,629.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.