Home / 1,079,581.50-1,489,953.69-626,872.50

Finding the Fourth Proportional to 1,079,581.50, 1,489,953.69 and 626,872.50

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Solution

The fourth proportional to 1,079,581.50, 1,489,953.69 and 626,872.50 is: 865,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,581.50 : 1,489,953.69 = 626,872.50 : x
  2. Step 2: Convert to fraction form
    1,079,581.50/1,489,953.69 = 626,872.50/x
  3. Step 3: Cross multiply
    1,079,581.50x = 1,489,953.69 × 626,872.50
  4. Step 4: Simplify right side
    1,079,581.50x = 934,010,994,534.53
  5. Step 5: Solve for x
    x = 934,010,994,534.53/1,079,581.50
  6. Step 6: Final answer
    x = 865,160.24

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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.