Home / 1,424,371.40-1,965,633.04-779,832.52

Finding the Fourth Proportional to 1,424,371.40, 1,965,633.04 and 779,832.52

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Solution

The fourth proportional to 1,424,371.40, 1,965,633.04 and 779,832.52 is: 1,076,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,371.40 : 1,965,633.04 = 779,832.52 : x
  2. Step 2: Convert to fraction form
    1,424,371.40/1,965,633.04 = 779,832.52/x
  3. Step 3: Cross multiply
    1,424,371.40x = 1,965,633.04 × 779,832.52
  4. Step 4: Simplify right side
    1,424,371.40x = 1,532,864,566,978.46
  5. Step 5: Solve for x
    x = 1,532,864,566,978.46/1,424,371.40
  6. Step 6: Final answer
    x = 1,076,169.16

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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.