Home / 1,557,278.70-2,336,355.45-758,586.30

Finding the Fourth Proportional to 1,557,278.70, 2,336,355.45 and 758,586.30

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Solution

The fourth proportional to 1,557,278.70, 2,336,355.45 and 758,586.30 is: 1,138,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,278.70 : 2,336,355.45 = 758,586.30 : x
  2. Step 2: Convert to fraction form
    1,557,278.70/2,336,355.45 = 758,586.30/x
  3. Step 3: Cross multiply
    1,557,278.70x = 2,336,355.45 × 758,586.30
  4. Step 4: Simplify right side
    1,557,278.70x = 1,772,327,236,300.34
  5. Step 5: Solve for x
    x = 1,772,327,236,300.34/1,557,278.70
  6. Step 6: Final answer
    x = 1,138,092.52

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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.