Home / 1,332,415.90-1,997,311.65-658,601.20

Finding the Fourth Proportional to 1,332,415.90, 1,997,311.65 and 658,601.20

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Solution

The fourth proportional to 1,332,415.90, 1,997,311.65 and 658,601.20 is: 987,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,415.90 : 1,997,311.65 = 658,601.20 : x
  2. Step 2: Convert to fraction form
    1,332,415.90/1,997,311.65 = 658,601.20/x
  3. Step 3: Cross multiply
    1,332,415.90x = 1,997,311.65 × 658,601.20
  4. Step 4: Simplify right side
    1,332,415.90x = 1,315,431,849,463.98
  5. Step 5: Solve for x
    x = 1,315,431,849,463.98/1,332,415.90
  6. Step 6: Final answer
    x = 987,253.19

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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.