Home / 1,587,127.29-2,190,370.75-898,921.55

Finding the Fourth Proportional to 1,587,127.29, 2,190,370.75 and 898,921.55

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Solution

The fourth proportional to 1,587,127.29, 2,190,370.75 and 898,921.55 is: 1,240,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,127.29 : 2,190,370.75 = 898,921.55 : x
  2. Step 2: Convert to fraction form
    1,587,127.29/2,190,370.75 = 898,921.55/x
  3. Step 3: Cross multiply
    1,587,127.29x = 2,190,370.75 × 898,921.55
  4. Step 4: Simplify right side
    1,587,127.29x = 1,968,971,472,893.29
  5. Step 5: Solve for x
    x = 1,968,971,472,893.29/1,587,127.29
  6. Step 6: Final answer
    x = 1,240,588.26

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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.