Home / 1,020,706.82-1,408,564.26-561,811.58

Finding the Fourth Proportional to 1,020,706.82, 1,408,564.26 and 561,811.58

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Solution

The fourth proportional to 1,020,706.82, 1,408,564.26 and 561,811.58 is: 775,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,706.82 : 1,408,564.26 = 561,811.58 : x
  2. Step 2: Convert to fraction form
    1,020,706.82/1,408,564.26 = 561,811.58/x
  3. Step 3: Cross multiply
    1,020,706.82x = 1,408,564.26 × 561,811.58
  4. Step 4: Simplify right side
    1,020,706.82x = 791,347,712,442.13
  5. Step 5: Solve for x
    x = 791,347,712,442.13/1,020,706.82
  6. Step 6: Final answer
    x = 775,293.84

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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.