Home / 1,137,631.75-1,569,931.82-628,366.93

Finding the Fourth Proportional to 1,137,631.75, 1,569,931.82 and 628,366.93

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Solution

The fourth proportional to 1,137,631.75, 1,569,931.82 and 628,366.93 is: 867,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,631.75 : 1,569,931.82 = 628,366.93 : x
  2. Step 2: Convert to fraction form
    1,137,631.75/1,569,931.82 = 628,366.93/x
  3. Step 3: Cross multiply
    1,137,631.75x = 1,569,931.82 × 628,366.93
  4. Step 4: Simplify right side
    1,137,631.75x = 986,493,238,042.71
  5. Step 5: Solve for x
    x = 986,493,238,042.71/1,137,631.75
  6. Step 6: Final answer
    x = 867,146.37

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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.