Home / 1,267,217.64-1,748,745.54-686,429.82

Finding the Fourth Proportional to 1,267,217.64, 1,748,745.54 and 686,429.82

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Solution

The fourth proportional to 1,267,217.64, 1,748,745.54 and 686,429.82 is: 947,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,217.64 : 1,748,745.54 = 686,429.82 : x
  2. Step 2: Convert to fraction form
    1,267,217.64/1,748,745.54 = 686,429.82/x
  3. Step 3: Cross multiply
    1,267,217.64x = 1,748,745.54 × 686,429.82
  4. Step 4: Simplify right side
    1,267,217.64x = 1,200,391,086,248.00
  5. Step 5: Solve for x
    x = 1,200,391,086,248.00/1,267,217.64
  6. Step 6: Final answer
    x = 947,265.13

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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.