Home / 943,981.60-1,413,639.60-626,720.80

Finding the Fourth Proportional to 943,981.60, 1,413,639.60 and 626,720.80

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Solution

The fourth proportional to 943,981.60, 1,413,639.60 and 626,720.80 is: 938,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,981.60 : 1,413,639.60 = 626,720.80 : x
  2. Step 2: Convert to fraction form
    943,981.60/1,413,639.60 = 626,720.80/x
  3. Step 3: Cross multiply
    943,981.60x = 1,413,639.60 × 626,720.80
  4. Step 4: Simplify right side
    943,981.60x = 885,957,341,023.68
  5. Step 5: Solve for x
    x = 885,957,341,023.68/943,981.60
  6. Step 6: Final answer
    x = 938,532.43

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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.