Home / 1,659,686.57-2,290,424.07-971,422.48

Finding the Fourth Proportional to 1,659,686.57, 2,290,424.07 and 971,422.48

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Solution

The fourth proportional to 1,659,686.57, 2,290,424.07 and 971,422.48 is: 1,340,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,686.57 : 2,290,424.07 = 971,422.48 : x
  2. Step 2: Convert to fraction form
    1,659,686.57/2,290,424.07 = 971,422.48/x
  3. Step 3: Cross multiply
    1,659,686.57x = 2,290,424.07 × 971,422.48
  4. Step 4: Simplify right side
    1,659,686.57x = 2,224,969,430,331.09
  5. Step 5: Solve for x
    x = 2,224,969,430,331.09/1,659,686.57
  6. Step 6: Final answer
    x = 1,340,596.15

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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.