Home / 1,359,878.40-1,876,634.08-756,266.40

Finding the Fourth Proportional to 1,359,878.40, 1,876,634.08 and 756,266.40

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Solution

The fourth proportional to 1,359,878.40, 1,876,634.08 and 756,266.40 is: 1,043,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,878.40 : 1,876,634.08 = 756,266.40 : x
  2. Step 2: Convert to fraction form
    1,359,878.40/1,876,634.08 = 756,266.40/x
  3. Step 3: Cross multiply
    1,359,878.40x = 1,876,634.08 × 756,266.40
  4. Step 4: Simplify right side
    1,359,878.40x = 1,419,235,299,798.91
  5. Step 5: Solve for x
    x = 1,419,235,299,798.91/1,359,878.40
  6. Step 6: Final answer
    x = 1,043,648.68

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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.