Home / 850,606.10-1,275,909.15-702,983.60

Finding the Fourth Proportional to 850,606.10, 1,275,909.15 and 702,983.60

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Solution

The fourth proportional to 850,606.10, 1,275,909.15 and 702,983.60 is: 1,054,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,606.10 : 1,275,909.15 = 702,983.60 : x
  2. Step 2: Convert to fraction form
    850,606.10/1,275,909.15 = 702,983.60/x
  3. Step 3: Cross multiply
    850,606.10x = 1,275,909.15 × 702,983.60
  4. Step 4: Simplify right side
    850,606.10x = 896,943,207,539.94
  5. Step 5: Solve for x
    x = 896,943,207,539.94/850,606.10
  6. Step 6: Final answer
    x = 1,054,475.40

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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.