Home / 1,020,703.46-1,408,559.62-561,808.20

Finding the Fourth Proportional to 1,020,703.46, 1,408,559.62 and 561,808.20

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Solution

The fourth proportional to 1,020,703.46, 1,408,559.62 and 561,808.20 is: 775,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,703.46 : 1,408,559.62 = 561,808.20 : x
  2. Step 2: Convert to fraction form
    1,020,703.46/1,408,559.62 = 561,808.20/x
  3. Step 3: Cross multiply
    1,020,703.46x = 1,408,559.62 × 561,808.20
  4. Step 4: Simplify right side
    1,020,703.46x = 791,340,344,704.88
  5. Step 5: Solve for x
    x = 791,340,344,704.88/1,020,703.46
  6. Step 6: Final answer
    x = 775,289.18

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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.