Home / 1,020,701.83-1,408,557.38-561,806.57

Finding the Fourth Proportional to 1,020,701.83, 1,408,557.38 and 561,806.57

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Solution

The fourth proportional to 1,020,701.83, 1,408,557.38 and 561,806.57 is: 775,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,701.83 : 1,408,557.38 = 561,806.57 : x
  2. Step 2: Convert to fraction form
    1,020,701.83/1,408,557.38 = 561,806.57/x
  3. Step 3: Cross multiply
    1,020,701.83x = 1,408,557.38 × 561,806.57
  4. Step 4: Simplify right side
    1,020,701.83x = 791,336,780,454.17
  5. Step 5: Solve for x
    x = 791,336,780,454.17/1,020,701.83
  6. Step 6: Final answer
    x = 775,286.92

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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.