Home / 1,403,145.32-2,104,793.04-443,528.06

Finding the Fourth Proportional to 1,403,145.32, 2,104,793.04 and 443,528.06

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Solution

The fourth proportional to 1,403,145.32, 2,104,793.04 and 443,528.06 is: 665,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,145.32 : 2,104,793.04 = 443,528.06 : x
  2. Step 2: Convert to fraction form
    1,403,145.32/2,104,793.04 = 443,528.06/x
  3. Step 3: Cross multiply
    1,403,145.32x = 2,104,793.04 × 443,528.06
  4. Step 4: Simplify right side
    1,403,145.32x = 933,534,773,732.70
  5. Step 5: Solve for x
    x = 933,534,773,732.70/1,403,145.32
  6. Step 6: Final answer
    x = 665,315.82

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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.