Home / 1,578,492.72-2,178,266.82-998,028.29

Finding the Fourth Proportional to 1,578,492.72, 2,178,266.82 and 998,028.29

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Solution

The fourth proportional to 1,578,492.72, 2,178,266.82 and 998,028.29 is: 1,377,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,492.72 : 2,178,266.82 = 998,028.29 : x
  2. Step 2: Convert to fraction form
    1,578,492.72/2,178,266.82 = 998,028.29/x
  3. Step 3: Cross multiply
    1,578,492.72x = 2,178,266.82 × 998,028.29
  4. Step 4: Simplify right side
    1,578,492.72x = 2,173,971,898,637.00
  5. Step 5: Solve for x
    x = 2,173,971,898,637.00/1,578,492.72
  6. Step 6: Final answer
    x = 1,377,245.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.