Home / 1,188,667.81-1,639,838.76-801,341.74

Finding the Fourth Proportional to 1,188,667.81, 1,639,838.76 and 801,341.74

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Solution

The fourth proportional to 1,188,667.81, 1,639,838.76 and 801,341.74 is: 1,105,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,667.81 : 1,639,838.76 = 801,341.74 : x
  2. Step 2: Convert to fraction form
    1,188,667.81/1,639,838.76 = 801,341.74/x
  3. Step 3: Cross multiply
    1,188,667.81x = 1,639,838.76 × 801,341.74
  4. Step 4: Simplify right side
    1,188,667.81x = 1,314,071,239,062.00
  5. Step 5: Solve for x
    x = 1,314,071,239,062.00/1,188,667.81
  6. Step 6: Final answer
    x = 1,105,499.14

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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.