Home / 1,379,751-2,069,959.70-433,121.72

Finding the Fourth Proportional to 1,379,751, 2,069,959.70 and 433,121.72

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Solution

The fourth proportional to 1,379,751, 2,069,959.70 and 433,121.72 is: 649,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,751 : 2,069,959.70 = 433,121.72 : x
  2. Step 2: Convert to fraction form
    1,379,751/2,069,959.70 = 433,121.72/x
  3. Step 3: Cross multiply
    1,379,751x = 2,069,959.70 × 433,121.72
  4. Step 4: Simplify right side
    1,379,751x = 896,544,505,594.68
  5. Step 5: Solve for x
    x = 896,544,505,594.68/1,379,751
  6. Step 6: Final answer
    x = 649,787.18

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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.