Home / 1,306,054.40-1,802,536.96-725,408

Finding the Fourth Proportional to 1,306,054.40, 1,802,536.96 and 725,408

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Solution

The fourth proportional to 1,306,054.40, 1,802,536.96 and 725,408 is: 1,001,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,054.40 : 1,802,536.96 = 725,408 : x
  2. Step 2: Convert to fraction form
    1,306,054.40/1,802,536.96 = 725,408/x
  3. Step 3: Cross multiply
    1,306,054.40x = 1,802,536.96 × 725,408
  4. Step 4: Simplify right side
    1,306,054.40x = 1,307,574,731,079.68
  5. Step 5: Solve for x
    x = 1,307,574,731,079.68/1,306,054.40
  6. Step 6: Final answer
    x = 1,001,164.06

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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.