Home / 1,587,043.98-2,190,790.89-1,071,496.26

Finding the Fourth Proportional to 1,587,043.98, 2,190,790.89 and 1,071,496.26

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Solution

The fourth proportional to 1,587,043.98, 2,190,790.89 and 1,071,496.26 is: 1,479,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,043.98 : 2,190,790.89 = 1,071,496.26 : x
  2. Step 2: Convert to fraction form
    1,587,043.98/2,190,790.89 = 1,071,496.26/x
  3. Step 3: Cross multiply
    1,587,043.98x = 2,190,790.89 × 1,071,496.26
  4. Step 4: Simplify right side
    1,587,043.98x = 2,347,424,245,077.07
  5. Step 5: Solve for x
    x = 2,347,424,245,077.07/1,587,043.98
  6. Step 6: Final answer
    x = 1,479,117.32

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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.