Home / 1,610,431.50-2,222,423.55-885,309.78

Finding the Fourth Proportional to 1,610,431.50, 2,222,423.55 and 885,309.78

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Solution

The fourth proportional to 1,610,431.50, 2,222,423.55 and 885,309.78 is: 1,221,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,431.50 : 2,222,423.55 = 885,309.78 : x
  2. Step 2: Convert to fraction form
    1,610,431.50/2,222,423.55 = 885,309.78/x
  3. Step 3: Cross multiply
    1,610,431.50x = 2,222,423.55 × 885,309.78
  4. Step 4: Simplify right side
    1,610,431.50x = 1,967,533,304,117.32
  5. Step 5: Solve for x
    x = 1,967,533,304,117.32/1,610,431.50
  6. Step 6: Final answer
    x = 1,221,742.93

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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.