Home / 1,358,416.62-1,874,575.31-777,620.50

Finding the Fourth Proportional to 1,358,416.62, 1,874,575.31 and 777,620.50

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Solution

The fourth proportional to 1,358,416.62, 1,874,575.31 and 777,620.50 is: 1,073,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,416.62 : 1,874,575.31 = 777,620.50 : x
  2. Step 2: Convert to fraction form
    1,358,416.62/1,874,575.31 = 777,620.50/x
  3. Step 3: Cross multiply
    1,358,416.62x = 1,874,575.31 × 777,620.50
  4. Step 4: Simplify right side
    1,358,416.62x = 1,457,708,181,275.31
  5. Step 5: Solve for x
    x = 1,457,708,181,275.31/1,358,416.62
  6. Step 6: Final answer
    x = 1,073,093.60

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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.