Home / 1,019,006.10-1,528,410.78-309,040.29

Finding the Fourth Proportional to 1,019,006.10, 1,528,410.78 and 309,040.29

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Solution

The fourth proportional to 1,019,006.10, 1,528,410.78 and 309,040.29 is: 463,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,006.10 : 1,528,410.78 = 309,040.29 : x
  2. Step 2: Convert to fraction form
    1,019,006.10/1,528,410.78 = 309,040.29/x
  3. Step 3: Cross multiply
    1,019,006.10x = 1,528,410.78 × 309,040.29
  4. Step 4: Simplify right side
    1,019,006.10x = 472,340,510,690.33
  5. Step 5: Solve for x
    x = 472,340,510,690.33/1,019,006.10
  6. Step 6: Final answer
    x = 463,530.60

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1.5x scale

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.