Home / 920,048.82-1,378,781.04-784,411.41

Finding the Fourth Proportional to 920,048.82, 1,378,781.04 and 784,411.41

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Solution

The fourth proportional to 920,048.82, 1,378,781.04 and 784,411.41 is: 1,175,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,048.82 : 1,378,781.04 = 784,411.41 : x
  2. Step 2: Convert to fraction form
    920,048.82/1,378,781.04 = 784,411.41/x
  3. Step 3: Cross multiply
    920,048.82x = 1,378,781.04 × 784,411.41
  4. Step 4: Simplify right side
    920,048.82x = 1,081,531,579,667.67
  5. Step 5: Solve for x
    x = 1,081,531,579,667.67/920,048.82
  6. Step 6: Final answer
    x = 1,175,515.43

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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.