Home / 1,320,495.72-1,980,821.39-373,787.16

Finding the Fourth Proportional to 1,320,495.72, 1,980,821.39 and 373,787.16

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Solution

The fourth proportional to 1,320,495.72, 1,980,821.39 and 373,787.16 is: 560,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,495.72 : 1,980,821.39 = 373,787.16 : x
  2. Step 2: Convert to fraction form
    1,320,495.72/1,980,821.39 = 373,787.16/x
  3. Step 3: Cross multiply
    1,320,495.72x = 1,980,821.39 × 373,787.16
  4. Step 4: Simplify right side
    1,320,495.72x = 740,405,592,538.34
  5. Step 5: Solve for x
    x = 740,405,592,538.34/1,320,495.72
  6. Step 6: Final answer
    x = 560,702.76

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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.