Home / 1,029,095.79-1,543,793.13-319,181.01

Finding the Fourth Proportional to 1,029,095.79, 1,543,793.13 and 319,181.01

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Solution

The fourth proportional to 1,029,095.79, 1,543,793.13 and 319,181.01 is: 478,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,095.79 : 1,543,793.13 = 319,181.01 : x
  2. Step 2: Convert to fraction form
    1,029,095.79/1,543,793.13 = 319,181.01/x
  3. Step 3: Cross multiply
    1,029,095.79x = 1,543,793.13 × 319,181.01
  4. Step 4: Simplify right side
    1,029,095.79x = 492,749,450,464.46
  5. Step 5: Solve for x
    x = 492,749,450,464.46/1,029,095.79
  6. Step 6: Final answer
    x = 478,817.87

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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.