Home / 1,021,038.68-1,531,441.92-273,143

Finding the Fourth Proportional to 1,021,038.68, 1,531,441.92 and 273,143

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Solution

The fourth proportional to 1,021,038.68, 1,531,441.92 and 273,143 is: 409,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,038.68 : 1,531,441.92 = 273,143 : x
  2. Step 2: Convert to fraction form
    1,021,038.68/1,531,441.92 = 273,143/x
  3. Step 3: Cross multiply
    1,021,038.68x = 1,531,441.92 × 273,143
  4. Step 4: Simplify right side
    1,021,038.68x = 418,302,640,354.56
  5. Step 5: Solve for x
    x = 418,302,640,354.56/1,021,038.68
  6. Step 6: Final answer
    x = 409,683.44

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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.