Home / 1,118,096.10-1,677,158.73-319,403.70

Finding the Fourth Proportional to 1,118,096.10, 1,677,158.73 and 319,403.70

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Solution

The fourth proportional to 1,118,096.10, 1,677,158.73 and 319,403.70 is: 479,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,096.10 : 1,677,158.73 = 319,403.70 : x
  2. Step 2: Convert to fraction form
    1,118,096.10/1,677,158.73 = 319,403.70/x
  3. Step 3: Cross multiply
    1,118,096.10x = 1,677,158.73 × 319,403.70
  4. Step 4: Simplify right side
    1,118,096.10x = 535,690,703,849.30
  5. Step 5: Solve for x
    x = 535,690,703,849.30/1,118,096.10
  6. Step 6: Final answer
    x = 479,109.72

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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.