Home / 1,652,206.78-2,476,866.75-640,631.80

Finding the Fourth Proportional to 1,652,206.78, 2,476,866.75 and 640,631.80

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Solution

The fourth proportional to 1,652,206.78, 2,476,866.75 and 640,631.80 is: 960,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,206.78 : 2,476,866.75 = 640,631.80 : x
  2. Step 2: Convert to fraction form
    1,652,206.78/2,476,866.75 = 640,631.80/x
  3. Step 3: Cross multiply
    1,652,206.78x = 2,476,866.75 × 640,631.80
  4. Step 4: Simplify right side
    1,652,206.78x = 1,586,759,604,412.65
  5. Step 5: Solve for x
    x = 1,586,759,604,412.65/1,652,206.78
  6. Step 6: Final answer
    x = 960,388.02

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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.