Home / 1,335,375.18-2,001,663.09-493,389.90

Finding the Fourth Proportional to 1,335,375.18, 2,001,663.09 and 493,389.90

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Solution

The fourth proportional to 1,335,375.18, 2,001,663.09 and 493,389.90 is: 739,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,375.18 : 2,001,663.09 = 493,389.90 : x
  2. Step 2: Convert to fraction form
    1,335,375.18/2,001,663.09 = 493,389.90/x
  3. Step 3: Cross multiply
    1,335,375.18x = 2,001,663.09 × 493,389.90
  4. Step 4: Simplify right side
    1,335,375.18x = 987,600,351,808.79
  5. Step 5: Solve for x
    x = 987,600,351,808.79/1,335,375.18
  6. Step 6: Final answer
    x = 739,567.70

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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.