Home / 1,006,893.42-1,510,109.42-287,221.49

Finding the Fourth Proportional to 1,006,893.42, 1,510,109.42 and 287,221.49

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Solution

The fourth proportional to 1,006,893.42, 1,510,109.42 and 287,221.49 is: 430,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,893.42 : 1,510,109.42 = 287,221.49 : x
  2. Step 2: Convert to fraction form
    1,006,893.42/1,510,109.42 = 287,221.49/x
  3. Step 3: Cross multiply
    1,006,893.42x = 1,510,109.42 × 287,221.49
  4. Step 4: Simplify right side
    1,006,893.42x = 433,735,868,688.78
  5. Step 5: Solve for x
    x = 433,735,868,688.78/1,006,893.42
  6. Step 6: Final answer
    x = 430,766.41

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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.