Home / 1,391,875.60-2,087,785.32-445,246.24

Finding the Fourth Proportional to 1,391,875.60, 2,087,785.32 and 445,246.24

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Solution

The fourth proportional to 1,391,875.60, 2,087,785.32 and 445,246.24 is: 667,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,875.60 : 2,087,785.32 = 445,246.24 : x
  2. Step 2: Convert to fraction form
    1,391,875.60/2,087,785.32 = 445,246.24/x
  3. Step 3: Cross multiply
    1,391,875.60x = 2,087,785.32 × 445,246.24
  4. Step 4: Simplify right side
    1,391,875.60x = 929,578,563,657.20
  5. Step 5: Solve for x
    x = 929,578,563,657.20/1,391,875.60
  6. Step 6: Final answer
    x = 667,860.38

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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.