Home / 1,105,043.28-1,657,400.67-306,241.53

Finding the Fourth Proportional to 1,105,043.28, 1,657,400.67 and 306,241.53

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Solution

The fourth proportional to 1,105,043.28, 1,657,400.67 and 306,241.53 is: 459,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,043.28 : 1,657,400.67 = 306,241.53 : x
  2. Step 2: Convert to fraction form
    1,105,043.28/1,657,400.67 = 306,241.53/x
  3. Step 3: Cross multiply
    1,105,043.28x = 1,657,400.67 × 306,241.53
  4. Step 4: Simplify right side
    1,105,043.28x = 507,564,917,003.83
  5. Step 5: Solve for x
    x = 507,564,917,003.83/1,105,043.28
  6. Step 6: Final answer
    x = 459,316.78

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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.