Home / 1,247,802.85-1,721,969.08-674,843.03

Finding the Fourth Proportional to 1,247,802.85, 1,721,969.08 and 674,843.03

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Solution

The fourth proportional to 1,247,802.85, 1,721,969.08 and 674,843.03 is: 931,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,802.85 : 1,721,969.08 = 674,843.03 : x
  2. Step 2: Convert to fraction form
    1,247,802.85/1,721,969.08 = 674,843.03/x
  3. Step 3: Cross multiply
    1,247,802.85x = 1,721,969.08 × 674,843.03
  4. Step 4: Simplify right side
    1,247,802.85x = 1,162,058,831,513.51
  5. Step 5: Solve for x
    x = 1,162,058,831,513.51/1,247,802.85
  6. Step 6: Final answer
    x = 931,284.00

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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.