Home / 1,433,205.30-1,977,764.02-779,834.06

Finding the Fourth Proportional to 1,433,205.30, 1,977,764.02 and 779,834.06

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Solution

The fourth proportional to 1,433,205.30, 1,977,764.02 and 779,834.06 is: 1,076,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,205.30 : 1,977,764.02 = 779,834.06 : x
  2. Step 2: Convert to fraction form
    1,433,205.30/1,977,764.02 = 779,834.06/x
  3. Step 3: Cross multiply
    1,433,205.30x = 1,977,764.02 × 779,834.06
  4. Step 4: Simplify right side
    1,433,205.30x = 1,542,327,733,600.12
  5. Step 5: Solve for x
    x = 1,542,327,733,600.12/1,433,205.30
  6. Step 6: Final answer
    x = 1,076,138.73

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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.