Home / 1,120,537.50-1,680,820.84-372,583.50

Finding the Fourth Proportional to 1,120,537.50, 1,680,820.84 and 372,583.50

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Solution

The fourth proportional to 1,120,537.50, 1,680,820.84 and 372,583.50 is: 558,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,537.50 : 1,680,820.84 = 372,583.50 : x
  2. Step 2: Convert to fraction form
    1,120,537.50/1,680,820.84 = 372,583.50/x
  3. Step 3: Cross multiply
    1,120,537.50x = 1,680,820.84 × 372,583.50
  4. Step 4: Simplify right side
    1,120,537.50x = 626,246,111,440.14
  5. Step 5: Solve for x
    x = 626,246,111,440.14/1,120,537.50
  6. Step 6: Final answer
    x = 558,880.10

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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.