Home / 1,071,219.72-1,607,606.27-397,397.13

Finding the Fourth Proportional to 1,071,219.72, 1,607,606.27 and 397,397.13

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Solution

The fourth proportional to 1,071,219.72, 1,607,606.27 and 397,397.13 is: 596,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,219.72 : 1,607,606.27 = 397,397.13 : x
  2. Step 2: Convert to fraction form
    1,071,219.72/1,607,606.27 = 397,397.13/x
  3. Step 3: Cross multiply
    1,071,219.72x = 1,607,606.27 × 397,397.13
  4. Step 4: Simplify right side
    1,071,219.72x = 638,858,117,868.01
  5. Step 5: Solve for x
    x = 638,858,117,868.01/1,071,219.72
  6. Step 6: Final answer
    x = 596,383.83

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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.