Home / 1,272,610.14-1,756,580.58-729,107.83

Finding the Fourth Proportional to 1,272,610.14, 1,756,580.58 and 729,107.83

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Solution

The fourth proportional to 1,272,610.14, 1,756,580.58 and 729,107.83 is: 1,006,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,610.14 : 1,756,580.58 = 729,107.83 : x
  2. Step 2: Convert to fraction form
    1,272,610.14/1,756,580.58 = 729,107.83/x
  3. Step 3: Cross multiply
    1,272,610.14x = 1,756,580.58 × 729,107.83
  4. Step 4: Simplify right side
    1,272,610.14x = 1,280,736,657,099.67
  5. Step 5: Solve for x
    x = 1,280,736,657,099.67/1,272,610.14
  6. Step 6: Final answer
    x = 1,006,385.71

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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.