Home / 1,019,869.10-1,530,022.35-309,968.90

Finding the Fourth Proportional to 1,019,869.10, 1,530,022.35 and 309,968.90

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Solution

The fourth proportional to 1,019,869.10, 1,530,022.35 and 309,968.90 is: 465,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,869.10 : 1,530,022.35 = 309,968.90 : x
  2. Step 2: Convert to fraction form
    1,019,869.10/1,530,022.35 = 309,968.90/x
  3. Step 3: Cross multiply
    1,019,869.10x = 1,530,022.35 × 309,968.90
  4. Step 4: Simplify right side
    1,019,869.10x = 474,259,344,804.92
  5. Step 5: Solve for x
    x = 474,259,344,804.92/1,019,869.10
  6. Step 6: Final answer
    x = 465,019.82

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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.