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Finding the Fourth Proportional to 1,359,513, 1,876,127.94 and 755,901

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Solution

The fourth proportional to 1,359,513, 1,876,127.94 and 755,901 is: 1,043,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,513 : 1,876,127.94 = 755,901 : x
  2. Step 2: Convert to fraction form
    1,359,513/1,876,127.94 = 755,901/x
  3. Step 3: Cross multiply
    1,359,513x = 1,876,127.94 × 755,901
  4. Step 4: Simplify right side
    1,359,513x = 1,418,166,985,973.94
  5. Step 5: Solve for x
    x = 1,418,166,985,973.94/1,359,513
  6. Step 6: Final answer
    x = 1,043,143.38

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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.