Home / 972,435.66-1,342,136.87-579,993.79

Finding the Fourth Proportional to 972,435.66, 1,342,136.87 and 579,993.79

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Solution

The fourth proportional to 972,435.66, 1,342,136.87 and 579,993.79 is: 800,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,435.66 : 1,342,136.87 = 579,993.79 : x
  2. Step 2: Convert to fraction form
    972,435.66/1,342,136.87 = 579,993.79/x
  3. Step 3: Cross multiply
    972,435.66x = 1,342,136.87 × 579,993.79
  4. Step 4: Simplify right side
    972,435.66x = 778,431,046,604.34
  5. Step 5: Solve for x
    x = 778,431,046,604.34/972,435.66
  6. Step 6: Final answer
    x = 800,496.20

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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.