Home / 1,112,768.57-1,535,602.50-629,315.61

Finding the Fourth Proportional to 1,112,768.57, 1,535,602.50 and 629,315.61

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Solution

The fourth proportional to 1,112,768.57, 1,535,602.50 and 629,315.61 is: 868,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,768.57 : 1,535,602.50 = 629,315.61 : x
  2. Step 2: Convert to fraction form
    1,112,768.57/1,535,602.50 = 629,315.61/x
  3. Step 3: Cross multiply
    1,112,768.57x = 1,535,602.50 × 629,315.61
  4. Step 4: Simplify right side
    1,112,768.57x = 966,378,624,005.03
  5. Step 5: Solve for x
    x = 966,378,624,005.03/1,112,768.57
  6. Step 6: Final answer
    x = 868,445.29

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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.