Home / 1,610,429.50-2,222,420.79-885,307.78

Finding the Fourth Proportional to 1,610,429.50, 2,222,420.79 and 885,307.78

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Solution

The fourth proportional to 1,610,429.50, 2,222,420.79 and 885,307.78 is: 1,221,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,429.50 : 2,222,420.79 = 885,307.78 : x
  2. Step 2: Convert to fraction form
    1,610,429.50/2,222,420.79 = 885,307.78/x
  3. Step 3: Cross multiply
    1,610,429.50x = 2,222,420.79 × 885,307.78
  4. Step 4: Simplify right side
    1,610,429.50x = 1,967,526,415,820.75
  5. Step 5: Solve for x
    x = 1,967,526,415,820.75/1,610,429.50
  6. Step 6: Final answer
    x = 1,221,740.17

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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.