Home / 1,038,172.30-1,557,550.05-505,710.70

Finding the Fourth Proportional to 1,038,172.30, 1,557,550.05 and 505,710.70

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Solution

The fourth proportional to 1,038,172.30, 1,557,550.05 and 505,710.70 is: 758,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,172.30 : 1,557,550.05 = 505,710.70 : x
  2. Step 2: Convert to fraction form
    1,038,172.30/1,557,550.05 = 505,710.70/x
  3. Step 3: Cross multiply
    1,038,172.30x = 1,557,550.05 × 505,710.70
  4. Step 4: Simplify right side
    1,038,172.30x = 787,669,726,070.54
  5. Step 5: Solve for x
    x = 787,669,726,070.54/1,038,172.30
  6. Step 6: Final answer
    x = 758,708.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.