Home / 1,071,411.24-1,607,064.78-397,623.78

Finding the Fourth Proportional to 1,071,411.24, 1,607,064.78 and 397,623.78

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Solution

The fourth proportional to 1,071,411.24, 1,607,064.78 and 397,623.78 is: 596,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,411.24 : 1,607,064.78 = 397,623.78 : x
  2. Step 2: Convert to fraction form
    1,071,411.24/1,607,064.78 = 397,623.78/x
  3. Step 3: Cross multiply
    1,071,411.24x = 1,607,064.78 × 397,623.78
  4. Step 4: Simplify right side
    1,071,411.24x = 639,007,172,528.47
  5. Step 5: Solve for x
    x = 639,007,172,528.47/1,071,411.24
  6. Step 6: Final answer
    x = 596,416.34

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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.