Home / 1,069,528.84-1,603,213.76-670,449.86

Finding the Fourth Proportional to 1,069,528.84, 1,603,213.76 and 670,449.86

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Solution

The fourth proportional to 1,069,528.84, 1,603,213.76 and 670,449.86 is: 1,004,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,528.84 : 1,603,213.76 = 670,449.86 : x
  2. Step 2: Convert to fraction form
    1,069,528.84/1,603,213.76 = 670,449.86/x
  3. Step 3: Cross multiply
    1,069,528.84x = 1,603,213.76 × 670,449.86
  4. Step 4: Simplify right side
    1,069,528.84x = 1,074,874,440,942.07
  5. Step 5: Solve for x
    x = 1,074,874,440,942.07/1,069,528.84
  6. Step 6: Final answer
    x = 1,004,998.09

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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.