Home / 1,364,438.72-2,046,663.04-417,805.60

Finding the Fourth Proportional to 1,364,438.72, 2,046,663.04 and 417,805.60

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Solution

The fourth proportional to 1,364,438.72, 2,046,663.04 and 417,805.60 is: 626,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,438.72 : 2,046,663.04 = 417,805.60 : x
  2. Step 2: Convert to fraction form
    1,364,438.72/2,046,663.04 = 417,805.60/x
  3. Step 3: Cross multiply
    1,364,438.72x = 2,046,663.04 × 417,805.60
  4. Step 4: Simplify right side
    1,364,438.72x = 855,107,279,425.02
  5. Step 5: Solve for x
    x = 855,107,279,425.02/1,364,438.72
  6. Step 6: Final answer
    x = 626,709.92

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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.