Home / 1,587,105.69-2,190,340.92-898,899.97

Finding the Fourth Proportional to 1,587,105.69, 2,190,340.92 and 898,899.97

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Solution

The fourth proportional to 1,587,105.69, 2,190,340.92 and 898,899.97 is: 1,240,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,105.69 : 2,190,340.92 = 898,899.97 : x
  2. Step 2: Convert to fraction form
    1,587,105.69/2,190,340.92 = 898,899.97/x
  3. Step 3: Cross multiply
    1,587,105.69x = 2,190,340.92 × 898,899.97
  4. Step 4: Simplify right side
    1,587,105.69x = 1,968,897,376,326.07
  5. Step 5: Solve for x
    x = 1,968,897,376,326.07/1,587,105.69
  6. Step 6: Final answer
    x = 1,240,558.45

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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.