Home / 1,357,586.40-1,873,408.60-814,022.20

Finding the Fourth Proportional to 1,357,586.40, 1,873,408.60 and 814,022.20

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Solution

The fourth proportional to 1,357,586.40, 1,873,408.60 and 814,022.20 is: 1,123,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,586.40 : 1,873,408.60 = 814,022.20 : x
  2. Step 2: Convert to fraction form
    1,357,586.40/1,873,408.60 = 814,022.20/x
  3. Step 3: Cross multiply
    1,357,586.40x = 1,873,408.60 × 814,022.20
  4. Step 4: Simplify right side
    1,357,586.40x = 1,524,996,190,070.92
  5. Step 5: Solve for x
    x = 1,524,996,190,070.92/1,357,586.40
  6. Step 6: Final answer
    x = 1,123,314.28

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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.