Home / 1,610,740.72-2,222,865.08-885,607.16

Finding the Fourth Proportional to 1,610,740.72, 2,222,865.08 and 885,607.16

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Solution

The fourth proportional to 1,610,740.72, 2,222,865.08 and 885,607.16 is: 1,222,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,740.72 : 2,222,865.08 = 885,607.16 : x
  2. Step 2: Convert to fraction form
    1,610,740.72/2,222,865.08 = 885,607.16/x
  3. Step 3: Cross multiply
    1,610,740.72x = 2,222,865.08 × 885,607.16
  4. Step 4: Simplify right side
    1,610,740.72x = 1,968,585,218,340.64
  5. Step 5: Solve for x
    x = 1,968,585,218,340.64/1,610,740.72
  6. Step 6: Final answer
    x = 1,222,161.45

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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.