Home / 1,424,316.92-1,965,557.20-779,735.12

Finding the Fourth Proportional to 1,424,316.92, 1,965,557.20 and 779,735.12

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Solution

The fourth proportional to 1,424,316.92, 1,965,557.20 and 779,735.12 is: 1,076,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,316.92 : 1,965,557.20 = 779,735.12 : x
  2. Step 2: Convert to fraction form
    1,424,316.92/1,965,557.20 = 779,735.12/x
  3. Step 3: Cross multiply
    1,424,316.92x = 1,965,557.20 × 779,735.12
  4. Step 4: Simplify right side
    1,424,316.92x = 1,532,613,979,208.86
  5. Step 5: Solve for x
    x = 1,532,613,979,208.86/1,424,316.92
  6. Step 6: Final answer
    x = 1,076,034.38

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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.