Home / 1,071,639.66-1,478,881.81-588,249.78

Finding the Fourth Proportional to 1,071,639.66, 1,478,881.81 and 588,249.78

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Solution

The fourth proportional to 1,071,639.66, 1,478,881.81 and 588,249.78 is: 811,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,639.66 : 1,478,881.81 = 588,249.78 : x
  2. Step 2: Convert to fraction form
    1,071,639.66/1,478,881.81 = 588,249.78/x
  3. Step 3: Cross multiply
    1,071,639.66x = 1,478,881.81 × 588,249.78
  4. Step 4: Simplify right side
    1,071,639.66x = 869,951,900,113.81
  5. Step 5: Solve for x
    x = 869,951,900,113.81/1,071,639.66
  6. Step 6: Final answer
    x = 811,795.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.