Home / 1,020,835.58-1,408,704.71-561,940.70

Finding the Fourth Proportional to 1,020,835.58, 1,408,704.71 and 561,940.70

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Solution

The fourth proportional to 1,020,835.58, 1,408,704.71 and 561,940.70 is: 775,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,835.58 : 1,408,704.71 = 561,940.70 : x
  2. Step 2: Convert to fraction form
    1,020,835.58/1,408,704.71 = 561,940.70/x
  3. Step 3: Cross multiply
    1,020,835.58x = 1,408,704.71 × 561,940.70
  4. Step 4: Simplify right side
    1,020,835.58x = 791,608,500,977.47
  5. Step 5: Solve for x
    x = 791,608,500,977.47/1,020,835.58
  6. Step 6: Final answer
    x = 775,451.52

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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.