Home / 1,424,195.20-2,136,314.40-464,646.52

Finding the Fourth Proportional to 1,424,195.20, 2,136,314.40 and 464,646.52

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Solution

The fourth proportional to 1,424,195.20, 2,136,314.40 and 464,646.52 is: 696,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,195.20 : 2,136,314.40 = 464,646.52 : x
  2. Step 2: Convert to fraction form
    1,424,195.20/2,136,314.40 = 464,646.52/x
  3. Step 3: Cross multiply
    1,424,195.20x = 2,136,314.40 × 464,646.52
  4. Step 4: Simplify right side
    1,424,195.20x = 992,631,051,585.89
  5. Step 5: Solve for x
    x = 992,631,051,585.89/1,424,195.20
  6. Step 6: Final answer
    x = 696,976.83

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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.