Home / 1,019,271.78-1,528,916.94-309,299.85

Finding the Fourth Proportional to 1,019,271.78, 1,528,916.94 and 309,299.85

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Solution

The fourth proportional to 1,019,271.78, 1,528,916.94 and 309,299.85 is: 463,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,271.78 : 1,528,916.94 = 309,299.85 : x
  2. Step 2: Convert to fraction form
    1,019,271.78/1,528,916.94 = 309,299.85/x
  3. Step 3: Cross multiply
    1,019,271.78x = 1,528,916.94 × 309,299.85
  4. Step 4: Simplify right side
    1,019,271.78x = 472,893,780,204.46
  5. Step 5: Solve for x
    x = 472,893,780,204.46/1,019,271.78
  6. Step 6: Final answer
    x = 463,952.59

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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.