Home / 1,019,351.56-1,528,922.13-345,415.38

Finding the Fourth Proportional to 1,019,351.56, 1,528,922.13 and 345,415.38

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Solution

The fourth proportional to 1,019,351.56, 1,528,922.13 and 345,415.38 is: 518,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,351.56 : 1,528,922.13 = 345,415.38 : x
  2. Step 2: Convert to fraction form
    1,019,351.56/1,528,922.13 = 345,415.38/x
  3. Step 3: Cross multiply
    1,019,351.56x = 1,528,922.13 × 345,415.38
  4. Step 4: Simplify right side
    1,019,351.56x = 528,113,216,126.10
  5. Step 5: Solve for x
    x = 528,113,216,126.10/1,019,351.56
  6. Step 6: Final answer
    x = 518,087.42

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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.