Home / 1,429,022.40-2,142,496.80-587,140.80

Finding the Fourth Proportional to 1,429,022.40, 2,142,496.80 and 587,140.80

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Solution

The fourth proportional to 1,429,022.40, 2,142,496.80 and 587,140.80 is: 880,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,022.40 : 2,142,496.80 = 587,140.80 : x
  2. Step 2: Convert to fraction form
    1,429,022.40/2,142,496.80 = 587,140.80/x
  3. Step 3: Cross multiply
    1,429,022.40x = 2,142,496.80 × 587,140.80
  4. Step 4: Simplify right side
    1,429,022.40x = 1,257,947,285,149.44
  5. Step 5: Solve for x
    x = 1,257,947,285,149.44/1,429,022.40
  6. Step 6: Final answer
    x = 880,285.21

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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.