Home / 1,072,039.85-1,480,107.33-664,577.13

Finding the Fourth Proportional to 1,072,039.85, 1,480,107.33 and 664,577.13

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Solution

The fourth proportional to 1,072,039.85, 1,480,107.33 and 664,577.13 is: 917,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,039.85 : 1,480,107.33 = 664,577.13 : x
  2. Step 2: Convert to fraction form
    1,072,039.85/1,480,107.33 = 664,577.13/x
  3. Step 3: Cross multiply
    1,072,039.85x = 1,480,107.33 × 664,577.13
  4. Step 4: Simplify right side
    1,072,039.85x = 983,645,481,463.36
  5. Step 5: Solve for x
    x = 983,645,481,463.36/1,072,039.85
  6. Step 6: Final answer
    x = 917,545.64

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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.