Home / 1,105,253.25-1,657,879.78-306,534.78

Finding the Fourth Proportional to 1,105,253.25, 1,657,879.78 and 306,534.78

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Solution

The fourth proportional to 1,105,253.25, 1,657,879.78 and 306,534.78 is: 459,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,253.25 : 1,657,879.78 = 306,534.78 : x
  2. Step 2: Convert to fraction form
    1,105,253.25/1,657,879.78 = 306,534.78/x
  3. Step 3: Cross multiply
    1,105,253.25x = 1,657,879.78 × 306,534.78
  4. Step 4: Simplify right side
    1,105,253.25x = 508,197,813,628.75
  5. Step 5: Solve for x
    x = 508,197,813,628.75/1,105,253.25
  6. Step 6: Final answer
    x = 459,802.14

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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.