Home / 1,672,330.65-2,508,869.78-535,161.12

Finding the Fourth Proportional to 1,672,330.65, 2,508,869.78 and 535,161.12

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Solution

The fourth proportional to 1,672,330.65, 2,508,869.78 and 535,161.12 is: 802,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,330.65 : 2,508,869.78 = 535,161.12 : x
  2. Step 2: Convert to fraction form
    1,672,330.65/2,508,869.78 = 535,161.12/x
  3. Step 3: Cross multiply
    1,672,330.65x = 2,508,869.78 × 535,161.12
  4. Step 4: Simplify right side
    1,672,330.65x = 1,342,649,561,398.95
  5. Step 5: Solve for x
    x = 1,342,649,561,398.95/1,672,330.65
  6. Step 6: Final answer
    x = 802,861.30

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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.