Home / 1,610,421-2,222,409.06-885,299.28

Finding the Fourth Proportional to 1,610,421, 2,222,409.06 and 885,299.28

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Solution

The fourth proportional to 1,610,421, 2,222,409.06 and 885,299.28 is: 1,221,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,421 : 2,222,409.06 = 885,299.28 : x
  2. Step 2: Convert to fraction form
    1,610,421/2,222,409.06 = 885,299.28/x
  3. Step 3: Cross multiply
    1,610,421x = 2,222,409.06 × 885,299.28
  4. Step 4: Simplify right side
    1,610,421x = 1,967,497,140,683.48
  5. Step 5: Solve for x
    x = 1,967,497,140,683.48/1,610,421
  6. Step 6: Final answer
    x = 1,221,728.44

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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.