Home / 1,020,704.82-1,408,561.50-561,809.58

Finding the Fourth Proportional to 1,020,704.82, 1,408,561.50 and 561,809.58

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Solution

The fourth proportional to 1,020,704.82, 1,408,561.50 and 561,809.58 is: 775,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,704.82 : 1,408,561.50 = 561,809.58 : x
  2. Step 2: Convert to fraction form
    1,020,704.82/1,408,561.50 = 561,809.58/x
  3. Step 3: Cross multiply
    1,020,704.82x = 1,408,561.50 × 561,809.58
  4. Step 4: Simplify right side
    1,020,704.82x = 791,343,344,719.17
  5. Step 5: Solve for x
    x = 791,343,344,719.17/1,020,704.82
  6. Step 6: Final answer
    x = 775,291.08

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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.