Home / 837,407.89-1,255,636.16-571,490.56

Finding the Fourth Proportional to 837,407.89, 1,255,636.16 and 571,490.56

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Solution

The fourth proportional to 837,407.89, 1,255,636.16 and 571,490.56 is: 856,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,407.89 : 1,255,636.16 = 571,490.56 : x
  2. Step 2: Convert to fraction form
    837,407.89/1,255,636.16 = 571,490.56/x
  3. Step 3: Cross multiply
    837,407.89x = 1,255,636.16 × 571,490.56
  4. Step 4: Simplify right side
    837,407.89x = 717,584,212,234.65
  5. Step 5: Solve for x
    x = 717,584,212,234.65/837,407.89
  6. Step 6: Final answer
    x = 856,911.21

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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.