Home / 1,226,764.80-1,839,052.80-478,636.80

Finding the Fourth Proportional to 1,226,764.80, 1,839,052.80 and 478,636.80

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Solution

The fourth proportional to 1,226,764.80, 1,839,052.80 and 478,636.80 is: 717,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,764.80 : 1,839,052.80 = 478,636.80 : x
  2. Step 2: Convert to fraction form
    1,226,764.80/1,839,052.80 = 478,636.80/x
  3. Step 3: Cross multiply
    1,226,764.80x = 1,839,052.80 × 478,636.80
  4. Step 4: Simplify right side
    1,226,764.80x = 880,238,347,223.04
  5. Step 5: Solve for x
    x = 880,238,347,223.04/1,226,764.80
  6. Step 6: Final answer
    x = 717,528.21

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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.