Home / 1,424,196.20-2,136,315.90-464,647.52

Finding the Fourth Proportional to 1,424,196.20, 2,136,315.90 and 464,647.52

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Solution

The fourth proportional to 1,424,196.20, 2,136,315.90 and 464,647.52 is: 696,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,196.20 : 2,136,315.90 = 464,647.52 : x
  2. Step 2: Convert to fraction form
    1,424,196.20/2,136,315.90 = 464,647.52/x
  3. Step 3: Cross multiply
    1,424,196.20x = 2,136,315.90 × 464,647.52
  4. Step 4: Simplify right side
    1,424,196.20x = 992,633,884,871.57
  5. Step 5: Solve for x
    x = 992,633,884,871.57/1,424,196.20
  6. Step 6: Final answer
    x = 696,978.33

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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.