Home / 1,137,633.75-1,569,934.58-628,368.93

Finding the Fourth Proportional to 1,137,633.75, 1,569,934.58 and 628,368.93

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Solution

The fourth proportional to 1,137,633.75, 1,569,934.58 and 628,368.93 is: 867,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,633.75 : 1,569,934.58 = 628,368.93 : x
  2. Step 2: Convert to fraction form
    1,137,633.75/1,569,934.58 = 628,368.93/x
  3. Step 3: Cross multiply
    1,137,633.75x = 1,569,934.58 × 628,368.93
  4. Step 4: Simplify right side
    1,137,633.75x = 986,498,112,204.60
  5. Step 5: Solve for x
    x = 986,498,112,204.60/1,137,633.75
  6. Step 6: Final answer
    x = 867,149.13

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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.