Home / 1,433,218.28-1,977,781.80-779,847

Finding the Fourth Proportional to 1,433,218.28, 1,977,781.80 and 779,847

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Solution

The fourth proportional to 1,433,218.28, 1,977,781.80 and 779,847 is: 1,076,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,218.28 : 1,977,781.80 = 779,847 : x
  2. Step 2: Convert to fraction form
    1,433,218.28/1,977,781.80 = 779,847/x
  3. Step 3: Cross multiply
    1,433,218.28x = 1,977,781.80 × 779,847
  4. Step 4: Simplify right side
    1,433,218.28x = 1,542,367,203,384.60
  5. Step 5: Solve for x
    x = 1,542,367,203,384.60/1,433,218.28
  6. Step 6: Final answer
    x = 1,076,156.52

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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.