Home / 1,116,418.50-1,674,176.76-432,945.47

Finding the Fourth Proportional to 1,116,418.50, 1,674,176.76 and 432,945.47

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Solution

The fourth proportional to 1,116,418.50, 1,674,176.76 and 432,945.47 is: 649,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,418.50 : 1,674,176.76 = 432,945.47 : x
  2. Step 2: Convert to fraction form
    1,116,418.50/1,674,176.76 = 432,945.47/x
  3. Step 3: Cross multiply
    1,116,418.50x = 1,674,176.76 × 432,945.47
  4. Step 4: Simplify right side
    1,116,418.50x = 724,827,235,850.39
  5. Step 5: Solve for x
    x = 724,827,235,850.39/1,116,418.50
  6. Step 6: Final answer
    x = 649,243.30

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Double scale
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1.5x scale

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.