Home / 1,587,206.82-2,190,004.65-942,844.26

Finding the Fourth Proportional to 1,587,206.82, 2,190,004.65 and 942,844.26

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Solution

The fourth proportional to 1,587,206.82, 2,190,004.65 and 942,844.26 is: 1,300,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,206.82 : 2,190,004.65 = 942,844.26 : x
  2. Step 2: Convert to fraction form
    1,587,206.82/2,190,004.65 = 942,844.26/x
  3. Step 3: Cross multiply
    1,587,206.82x = 2,190,004.65 × 942,844.26
  4. Step 4: Simplify right side
    1,587,206.82x = 2,064,833,313,625.81
  5. Step 5: Solve for x
    x = 2,064,833,313,625.81/1,587,206.82
  6. Step 6: Final answer
    x = 1,300,922.66

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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.