Home / 1,272,411.84-1,755,883.71-699,447.90

Finding the Fourth Proportional to 1,272,411.84, 1,755,883.71 and 699,447.90

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Solution

The fourth proportional to 1,272,411.84, 1,755,883.71 and 699,447.90 is: 965,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,411.84 : 1,755,883.71 = 699,447.90 : x
  2. Step 2: Convert to fraction form
    1,272,411.84/1,755,883.71 = 699,447.90/x
  3. Step 3: Cross multiply
    1,272,411.84x = 1,755,883.71 × 699,447.90
  4. Step 4: Simplify right side
    1,272,411.84x = 1,228,149,173,603.71
  5. Step 5: Solve for x
    x = 1,228,149,173,603.71/1,272,411.84
  6. Step 6: Final answer
    x = 965,213.57

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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.