Home / 1,105,311.69-1,657,967.40-306,593.28

Finding the Fourth Proportional to 1,105,311.69, 1,657,967.40 and 306,593.28

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Solution

The fourth proportional to 1,105,311.69, 1,657,967.40 and 306,593.28 is: 459,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,311.69 : 1,657,967.40 = 306,593.28 : x
  2. Step 2: Convert to fraction form
    1,105,311.69/1,657,967.40 = 306,593.28/x
  3. Step 3: Cross multiply
    1,105,311.69x = 1,657,967.40 × 306,593.28
  4. Step 4: Simplify right side
    1,105,311.69x = 508,321,663,299.07
  5. Step 5: Solve for x
    x = 508,321,663,299.07/1,105,311.69
  6. Step 6: Final answer
    x = 459,889.88

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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.