Home / 1,071,379.32-1,607,022.90-323,403

Finding the Fourth Proportional to 1,071,379.32, 1,607,022.90 and 323,403

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Solution

The fourth proportional to 1,071,379.32, 1,607,022.90 and 323,403 is: 485,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,379.32 : 1,607,022.90 = 323,403 : x
  2. Step 2: Convert to fraction form
    1,071,379.32/1,607,022.90 = 323,403/x
  3. Step 3: Cross multiply
    1,071,379.32x = 1,607,022.90 × 323,403
  4. Step 4: Simplify right side
    1,071,379.32x = 519,716,026,928.70
  5. Step 5: Solve for x
    x = 519,716,026,928.70/1,071,379.32
  6. Step 6: Final answer
    x = 485,090.59

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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.