Home / 1,333,973.76-2,000,661.13-613,623.61

Finding the Fourth Proportional to 1,333,973.76, 2,000,661.13 and 613,623.61

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Solution

The fourth proportional to 1,333,973.76, 2,000,661.13 and 613,623.61 is: 920,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,973.76 : 2,000,661.13 = 613,623.61 : x
  2. Step 2: Convert to fraction form
    1,333,973.76/2,000,661.13 = 613,623.61/x
  3. Step 3: Cross multiply
    1,333,973.76x = 2,000,661.13 × 613,623.61
  4. Step 4: Simplify right side
    1,333,973.76x = 1,227,652,904,977.28
  5. Step 5: Solve for x
    x = 1,227,652,904,977.28/1,333,973.76
  6. Step 6: Final answer
    x = 920,297.64

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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.