Home / 1,298,802.51-1,792,427.01-725,888.43

Finding the Fourth Proportional to 1,298,802.51, 1,792,427.01 and 725,888.43

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Solution

The fourth proportional to 1,298,802.51, 1,792,427.01 and 725,888.43 is: 1,001,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,802.51 : 1,792,427.01 = 725,888.43 : x
  2. Step 2: Convert to fraction form
    1,298,802.51/1,792,427.01 = 725,888.43/x
  3. Step 3: Cross multiply
    1,298,802.51x = 1,792,427.01 × 725,888.43
  4. Step 4: Simplify right side
    1,298,802.51x = 1,301,102,028,178.49
  5. Step 5: Solve for x
    x = 1,301,102,028,178.49/1,298,802.51
  6. Step 6: Final answer
    x = 1,001,770.49

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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.