Home / 1,247,802.84-1,721,969.06-674,843.01

Finding the Fourth Proportional to 1,247,802.84, 1,721,969.06 and 674,843.01

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Solution

The fourth proportional to 1,247,802.84, 1,721,969.06 and 674,843.01 is: 931,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,802.84 : 1,721,969.06 = 674,843.01 : x
  2. Step 2: Convert to fraction form
    1,247,802.84/1,721,969.06 = 674,843.01/x
  3. Step 3: Cross multiply
    1,247,802.84x = 1,721,969.06 × 674,843.01
  4. Step 4: Simplify right side
    1,247,802.84x = 1,162,058,778,539.67
  5. Step 5: Solve for x
    x = 1,162,058,778,539.67/1,247,802.84
  6. Step 6: Final answer
    x = 931,283.97

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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.