Home / 1,653,280.40-2,479,920.60-531,462.80

Finding the Fourth Proportional to 1,653,280.40, 2,479,920.60 and 531,462.80

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Solution

The fourth proportional to 1,653,280.40, 2,479,920.60 and 531,462.80 is: 797,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,280.40 : 2,479,920.60 = 531,462.80 : x
  2. Step 2: Convert to fraction form
    1,653,280.40/2,479,920.60 = 531,462.80/x
  3. Step 3: Cross multiply
    1,653,280.40x = 2,479,920.60 × 531,462.80
  4. Step 4: Simplify right side
    1,653,280.40x = 1,317,985,545,853.68
  5. Step 5: Solve for x
    x = 1,317,985,545,853.68/1,653,280.40
  6. Step 6: Final answer
    x = 797,194.20

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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.