Home / 1,610,903.69-2,222,990.19-885,746.33

Finding the Fourth Proportional to 1,610,903.69, 2,222,990.19 and 885,746.33

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Solution

The fourth proportional to 1,610,903.69, 2,222,990.19 and 885,746.33 is: 1,222,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,903.69 : 2,222,990.19 = 885,746.33 : x
  2. Step 2: Convert to fraction form
    1,610,903.69/2,222,990.19 = 885,746.33/x
  3. Step 3: Cross multiply
    1,610,903.69x = 2,222,990.19 × 885,746.33
  4. Step 4: Simplify right side
    1,610,903.69x = 1,969,005,402,418.50
  5. Step 5: Solve for x
    x = 1,969,005,402,418.50/1,610,903.69
  6. Step 6: Final answer
    x = 1,222,298.65

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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.