Home / 1,079,472.32-1,489,503.84-626,684.48

Finding the Fourth Proportional to 1,079,472.32, 1,489,503.84 and 626,684.48

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Solution

The fourth proportional to 1,079,472.32, 1,489,503.84 and 626,684.48 is: 864,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,472.32 : 1,489,503.84 = 626,684.48 : x
  2. Step 2: Convert to fraction form
    1,079,472.32/1,489,503.84 = 626,684.48/x
  3. Step 3: Cross multiply
    1,079,472.32x = 1,489,503.84 × 626,684.48
  4. Step 4: Simplify right side
    1,079,472.32x = 933,448,939,428.40
  5. Step 5: Solve for x
    x = 933,448,939,428.40/1,079,472.32
  6. Step 6: Final answer
    x = 864,727.07

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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.