Home / 1,124,981.60-1,552,436.24-641,703.20

Finding the Fourth Proportional to 1,124,981.60, 1,552,436.24 and 641,703.20

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Solution

The fourth proportional to 1,124,981.60, 1,552,436.24 and 641,703.20 is: 885,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,981.60 : 1,552,436.24 = 641,703.20 : x
  2. Step 2: Convert to fraction form
    1,124,981.60/1,552,436.24 = 641,703.20/x
  3. Step 3: Cross multiply
    1,124,981.60x = 1,552,436.24 × 641,703.20
  4. Step 4: Simplify right side
    1,124,981.60x = 996,203,303,003.97
  5. Step 5: Solve for x
    x = 996,203,303,003.97/1,124,981.60
  6. Step 6: Final answer
    x = 885,528.53

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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.