Home / 1,379,884.10-2,069,680.56-369,108.06

Finding the Fourth Proportional to 1,379,884.10, 2,069,680.56 and 369,108.06

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Solution

The fourth proportional to 1,379,884.10, 2,069,680.56 and 369,108.06 is: 553,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,884.10 : 2,069,680.56 = 369,108.06 : x
  2. Step 2: Convert to fraction form
    1,379,884.10/2,069,680.56 = 369,108.06/x
  3. Step 3: Cross multiply
    1,379,884.10x = 2,069,680.56 × 369,108.06
  4. Step 4: Simplify right side
    1,379,884.10x = 763,935,776,321.31
  5. Step 5: Solve for x
    x = 763,935,776,321.31/1,379,884.10
  6. Step 6: Final answer
    x = 553,623.15

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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.