Home / 1,241,372.16-1,862,369.28-399,905.28

Finding the Fourth Proportional to 1,241,372.16, 1,862,369.28 and 399,905.28

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Solution

The fourth proportional to 1,241,372.16, 1,862,369.28 and 399,905.28 is: 599,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,372.16 : 1,862,369.28 = 399,905.28 : x
  2. Step 2: Convert to fraction form
    1,241,372.16/1,862,369.28 = 399,905.28/x
  3. Step 3: Cross multiply
    1,241,372.16x = 1,862,369.28 × 399,905.28
  4. Step 4: Simplify right side
    1,241,372.16x = 744,771,308,381.80
  5. Step 5: Solve for x
    x = 744,771,308,381.80/1,241,372.16
  6. Step 6: Final answer
    x = 599,958.12

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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.