Home / 1,290,200.04-1,934,217.50-570,425.54

Finding the Fourth Proportional to 1,290,200.04, 1,934,217.50 and 570,425.54

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Solution

The fourth proportional to 1,290,200.04, 1,934,217.50 and 570,425.54 is: 855,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,200.04 : 1,934,217.50 = 570,425.54 : x
  2. Step 2: Convert to fraction form
    1,290,200.04/1,934,217.50 = 570,425.54/x
  3. Step 3: Cross multiply
    1,290,200.04x = 1,934,217.50 × 570,425.54
  4. Step 4: Simplify right side
    1,290,200.04x = 1,103,327,049,391.73
  5. Step 5: Solve for x
    x = 1,103,327,049,391.73/1,290,200.04
  6. Step 6: Final answer
    x = 855,159.68

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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.