Home / 1,010,408.60-1,515,612.90-917,096.60

Finding the Fourth Proportional to 1,010,408.60, 1,515,612.90 and 917,096.60

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Solution

The fourth proportional to 1,010,408.60, 1,515,612.90 and 917,096.60 is: 1,375,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,408.60 : 1,515,612.90 = 917,096.60 : x
  2. Step 2: Convert to fraction form
    1,010,408.60/1,515,612.90 = 917,096.60/x
  3. Step 3: Cross multiply
    1,010,408.60x = 1,515,612.90 × 917,096.60
  4. Step 4: Simplify right side
    1,010,408.60x = 1,389,963,437,506.14
  5. Step 5: Solve for x
    x = 1,389,963,437,506.14/1,010,408.60
  6. Step 6: Final answer
    x = 1,375,644.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.