Home / 1,028,812.96-1,543,219.62-429,447.16

Finding the Fourth Proportional to 1,028,812.96, 1,543,219.62 and 429,447.16

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Solution

The fourth proportional to 1,028,812.96, 1,543,219.62 and 429,447.16 is: 644,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,812.96 : 1,543,219.62 = 429,447.16 : x
  2. Step 2: Convert to fraction form
    1,028,812.96/1,543,219.62 = 429,447.16/x
  3. Step 3: Cross multiply
    1,028,812.96x = 1,543,219.62 × 429,447.16
  4. Step 4: Simplify right side
    1,028,812.96x = 662,731,283,065.28
  5. Step 5: Solve for x
    x = 662,731,283,065.28/1,028,812.96
  6. Step 6: Final answer
    x = 644,170.82

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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.