Home / 1,574,408.60-2,361,029.70-509,485.40

Finding the Fourth Proportional to 1,574,408.60, 2,361,029.70 and 509,485.40

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Solution

The fourth proportional to 1,574,408.60, 2,361,029.70 and 509,485.40 is: 764,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,408.60 : 2,361,029.70 = 509,485.40 : x
  2. Step 2: Convert to fraction form
    1,574,408.60/2,361,029.70 = 509,485.40/x
  3. Step 3: Cross multiply
    1,574,408.60x = 2,361,029.70 × 509,485.40
  4. Step 4: Simplify right side
    1,574,408.60x = 1,202,910,161,116.38
  5. Step 5: Solve for x
    x = 1,202,910,161,116.38/1,574,408.60
  6. Step 6: Final answer
    x = 764,039.37

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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.