Home / 1,290,219.10-1,934,672.55-757,903.30

Finding the Fourth Proportional to 1,290,219.10, 1,934,672.55 and 757,903.30

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Solution

The fourth proportional to 1,290,219.10, 1,934,672.55 and 757,903.30 is: 1,136,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,219.10 : 1,934,672.55 = 757,903.30 : x
  2. Step 2: Convert to fraction form
    1,290,219.10/1,934,672.55 = 757,903.30/x
  3. Step 3: Cross multiply
    1,290,219.10x = 1,934,672.55 × 757,903.30
  4. Step 4: Simplify right side
    1,290,219.10x = 1,466,294,710,064.42
  5. Step 5: Solve for x
    x = 1,466,294,710,064.42/1,290,219.10
  6. Step 6: Final answer
    x = 1,136,469.54

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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.