Home / 1,105,248.25-1,657,872.28-306,529.78

Finding the Fourth Proportional to 1,105,248.25, 1,657,872.28 and 306,529.78

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Solution

The fourth proportional to 1,105,248.25, 1,657,872.28 and 306,529.78 is: 459,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,248.25 : 1,657,872.28 = 306,529.78 : x
  2. Step 2: Convert to fraction form
    1,105,248.25/1,657,872.28 = 306,529.78/x
  3. Step 3: Cross multiply
    1,105,248.25x = 1,657,872.28 × 306,529.78
  4. Step 4: Simplify right side
    1,105,248.25x = 508,187,225,256.50
  5. Step 5: Solve for x
    x = 508,187,225,256.50/1,105,248.25
  6. Step 6: Final answer
    x = 459,794.64

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Double scale
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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.