Home / 1,230,228.60-1,845,342.90-755,374.20

Finding the Fourth Proportional to 1,230,228.60, 1,845,342.90 and 755,374.20

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Solution

The fourth proportional to 1,230,228.60, 1,845,342.90 and 755,374.20 is: 1,133,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,228.60 : 1,845,342.90 = 755,374.20 : x
  2. Step 2: Convert to fraction form
    1,230,228.60/1,845,342.90 = 755,374.20/x
  3. Step 3: Cross multiply
    1,230,228.60x = 1,845,342.90 × 755,374.20
  4. Step 4: Simplify right side
    1,230,228.60x = 1,393,924,416,813.18
  5. Step 5: Solve for x
    x = 1,393,924,416,813.18/1,230,228.60
  6. Step 6: Final answer
    x = 1,133,061.30

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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.