Home / 1,587,736.22-2,191,120.81-899,407.87

Finding the Fourth Proportional to 1,587,736.22, 2,191,120.81 and 899,407.87

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Solution

The fourth proportional to 1,587,736.22, 2,191,120.81 and 899,407.87 is: 1,241,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,736.22 : 2,191,120.81 = 899,407.87 : x
  2. Step 2: Convert to fraction form
    1,587,736.22/2,191,120.81 = 899,407.87/x
  3. Step 3: Cross multiply
    1,587,736.22x = 2,191,120.81 × 899,407.87
  4. Step 4: Simplify right side
    1,587,736.22x = 1,970,711,301,125.16
  5. Step 5: Solve for x
    x = 1,970,711,301,125.16/1,587,736.22
  6. Step 6: Final answer
    x = 1,241,208.25

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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.