Home / 999,970.92-1,500,112.80-325,895.58

Finding the Fourth Proportional to 999,970.92, 1,500,112.80 and 325,895.58

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Solution

The fourth proportional to 999,970.92, 1,500,112.80 and 325,895.58 is: 488,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,970.92 : 1,500,112.80 = 325,895.58 : x
  2. Step 2: Convert to fraction form
    999,970.92/1,500,112.80 = 325,895.58/x
  3. Step 3: Cross multiply
    999,970.92x = 1,500,112.80 × 325,895.58
  4. Step 4: Simplify right side
    999,970.92x = 488,880,131,021.42
  5. Step 5: Solve for x
    x = 488,880,131,021.42/999,970.92
  6. Step 6: Final answer
    x = 488,894.35

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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.