Home / 1,276,892.29-1,915,902.63-669,535.55

Finding the Fourth Proportional to 1,276,892.29, 1,915,902.63 and 669,535.55

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Solution

The fourth proportional to 1,276,892.29, 1,915,902.63 and 669,535.55 is: 1,004,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,892.29 : 1,915,902.63 = 669,535.55 : x
  2. Step 2: Convert to fraction form
    1,276,892.29/1,915,902.63 = 669,535.55/x
  3. Step 3: Cross multiply
    1,276,892.29x = 1,915,902.63 × 669,535.55
  4. Step 4: Simplify right side
    1,276,892.29x = 1,282,764,911,543.98
  5. Step 5: Solve for x
    x = 1,282,764,911,543.98/1,276,892.29
  6. Step 6: Final answer
    x = 1,004,599.15

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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.