Home / 1,007,106.67-1,510,107.86-399,279.22

Finding the Fourth Proportional to 1,007,106.67, 1,510,107.86 and 399,279.22

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Solution

The fourth proportional to 1,007,106.67, 1,510,107.86 and 399,279.22 is: 598,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,106.67 : 1,510,107.86 = 399,279.22 : x
  2. Step 2: Convert to fraction form
    1,007,106.67/1,510,107.86 = 399,279.22/x
  3. Step 3: Cross multiply
    1,007,106.67x = 1,510,107.86 × 399,279.22
  4. Step 4: Simplify right side
    1,007,106.67x = 602,954,691,928.01
  5. Step 5: Solve for x
    x = 602,954,691,928.01/1,007,106.67
  6. Step 6: Final answer
    x = 598,699.93

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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.