Home / 1,260,892.98-1,740,037.95-687,945.15

Finding the Fourth Proportional to 1,260,892.98, 1,740,037.95 and 687,945.15

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Solution

The fourth proportional to 1,260,892.98, 1,740,037.95 and 687,945.15 is: 949,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,892.98 : 1,740,037.95 = 687,945.15 : x
  2. Step 2: Convert to fraction form
    1,260,892.98/1,740,037.95 = 687,945.15/x
  3. Step 3: Cross multiply
    1,260,892.98x = 1,740,037.95 × 687,945.15
  4. Step 4: Simplify right side
    1,260,892.98x = 1,197,050,668,518.44
  5. Step 5: Solve for x
    x = 1,197,050,668,518.44/1,260,892.98
  6. Step 6: Final answer
    x = 949,367.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.