Home / 1,079,290.87-1,489,925.38-626,494.71

Finding the Fourth Proportional to 1,079,290.87, 1,489,925.38 and 626,494.71

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Solution

The fourth proportional to 1,079,290.87, 1,489,925.38 and 626,494.71 is: 864,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,290.87 : 1,489,925.38 = 626,494.71 : x
  2. Step 2: Convert to fraction form
    1,079,290.87/1,489,925.38 = 626,494.71/x
  3. Step 3: Cross multiply
    1,079,290.87x = 1,489,925.38 × 626,494.71
  4. Step 4: Simplify right side
    1,079,290.87x = 933,430,365,732.27
  5. Step 5: Solve for x
    x = 933,430,365,732.27/1,079,290.87
  6. Step 6: Final answer
    x = 864,855.24

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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.