Home / 1,079,392.50-1,489,692.87-626,683.50

Finding the Fourth Proportional to 1,079,392.50, 1,489,692.87 and 626,683.50

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Solution

The fourth proportional to 1,079,392.50, 1,489,692.87 and 626,683.50 is: 864,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,392.50 : 1,489,692.87 = 626,683.50 : x
  2. Step 2: Convert to fraction form
    1,079,392.50/1,489,692.87 = 626,683.50/x
  3. Step 3: Cross multiply
    1,079,392.50x = 1,489,692.87 × 626,683.50
  4. Step 4: Simplify right side
    1,079,392.50x = 933,565,941,696.65
  5. Step 5: Solve for x
    x = 933,565,941,696.65/1,079,392.50
  6. Step 6: Final answer
    x = 864,899.41

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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.