Home / 1,117,872.02-1,676,835.54-407,899.88

Finding the Fourth Proportional to 1,117,872.02, 1,676,835.54 and 407,899.88

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Solution

The fourth proportional to 1,117,872.02, 1,676,835.54 and 407,899.88 is: 611,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,872.02 : 1,676,835.54 = 407,899.88 : x
  2. Step 2: Convert to fraction form
    1,117,872.02/1,676,835.54 = 407,899.88/x
  3. Step 3: Cross multiply
    1,117,872.02x = 1,676,835.54 × 407,899.88
  4. Step 4: Simplify right side
    1,117,872.02x = 683,981,015,545.74
  5. Step 5: Solve for x
    x = 683,981,015,545.74/1,117,872.02
  6. Step 6: Final answer
    x = 611,859.86

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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.