Home / 1,105,040.76-1,657,396.91-306,239.02

Finding the Fourth Proportional to 1,105,040.76, 1,657,396.91 and 306,239.02

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Solution

The fourth proportional to 1,105,040.76, 1,657,396.91 and 306,239.02 is: 459,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,040.76 : 1,657,396.91 = 306,239.02 : x
  2. Step 2: Convert to fraction form
    1,105,040.76/1,657,396.91 = 306,239.02/x
  3. Step 3: Cross multiply
    1,105,040.76x = 1,657,396.91 × 306,239.02
  4. Step 4: Simplify right side
    1,105,040.76x = 507,559,605,469.43
  5. Step 5: Solve for x
    x = 507,559,605,469.43/1,105,040.76
  6. Step 6: Final answer
    x = 459,313.02

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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.