Home / 1,459,909.72-2,189,357.34-812,473.84

Finding the Fourth Proportional to 1,459,909.72, 2,189,357.34 and 812,473.84

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Solution

The fourth proportional to 1,459,909.72, 2,189,357.34 and 812,473.84 is: 1,218,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,909.72 : 2,189,357.34 = 812,473.84 : x
  2. Step 2: Convert to fraction form
    1,459,909.72/2,189,357.34 = 812,473.84/x
  3. Step 3: Cross multiply
    1,459,909.72x = 2,189,357.34 × 812,473.84
  4. Step 4: Simplify right side
    1,459,909.72x = 1,778,795,565,161.99
  5. Step 5: Solve for x
    x = 1,778,795,565,161.99/1,459,909.72
  6. Step 6: Final answer
    x = 1,218,428.47

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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.