Home / 1,316,297.76-1,974,446.64-319,025.76

Finding the Fourth Proportional to 1,316,297.76, 1,974,446.64 and 319,025.76

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Solution

The fourth proportional to 1,316,297.76, 1,974,446.64 and 319,025.76 is: 478,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,297.76 : 1,974,446.64 = 319,025.76 : x
  2. Step 2: Convert to fraction form
    1,316,297.76/1,974,446.64 = 319,025.76/x
  3. Step 3: Cross multiply
    1,316,297.76x = 1,974,446.64 × 319,025.76
  4. Step 4: Simplify right side
    1,316,297.76x = 629,899,339,905.45
  5. Step 5: Solve for x
    x = 629,899,339,905.45/1,316,297.76
  6. Step 6: Final answer
    x = 478,538.64

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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.