Home / 1,548,013.82-2,136,280.03-859,730.09

Finding the Fourth Proportional to 1,548,013.82, 2,136,280.03 and 859,730.09

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Solution

The fourth proportional to 1,548,013.82, 2,136,280.03 and 859,730.09 is: 1,186,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,013.82 : 2,136,280.03 = 859,730.09 : x
  2. Step 2: Convert to fraction form
    1,548,013.82/2,136,280.03 = 859,730.09/x
  3. Step 3: Cross multiply
    1,548,013.82x = 2,136,280.03 × 859,730.09
  4. Step 4: Simplify right side
    1,548,013.82x = 1,836,624,209,626.38
  5. Step 5: Solve for x
    x = 1,836,624,209,626.38/1,548,013.82
  6. Step 6: Final answer
    x = 1,186,439.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.