Home / 1,041,972.49-1,562,941.65-331,990.88

Finding the Fourth Proportional to 1,041,972.49, 1,562,941.65 and 331,990.88

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Solution

The fourth proportional to 1,041,972.49, 1,562,941.65 and 331,990.88 is: 497,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,972.49 : 1,562,941.65 = 331,990.88 : x
  2. Step 2: Convert to fraction form
    1,041,972.49/1,562,941.65 = 331,990.88/x
  3. Step 3: Cross multiply
    1,041,972.49x = 1,562,941.65 × 331,990.88
  4. Step 4: Simplify right side
    1,041,972.49x = 518,882,373,772.15
  5. Step 5: Solve for x
    x = 518,882,373,772.15/1,041,972.49
  6. Step 6: Final answer
    x = 497,980.88

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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.