Home / 1,107,772.40-1,661,938.86-309,053.37

Finding the Fourth Proportional to 1,107,772.40, 1,661,938.86 and 309,053.37

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Solution

The fourth proportional to 1,107,772.40, 1,661,938.86 and 309,053.37 is: 463,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,772.40 : 1,661,938.86 = 309,053.37 : x
  2. Step 2: Convert to fraction form
    1,107,772.40/1,661,938.86 = 309,053.37/x
  3. Step 3: Cross multiply
    1,107,772.40x = 1,661,938.86 × 309,053.37
  4. Step 4: Simplify right side
    1,107,772.40x = 513,627,812,808.18
  5. Step 5: Solve for x
    x = 513,627,812,808.18/1,107,772.40
  6. Step 6: Final answer
    x = 463,658.25

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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.