Home / 1,605,345.20-2,408,017.80-658,401.20

Finding the Fourth Proportional to 1,605,345.20, 2,408,017.80 and 658,401.20

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Solution

The fourth proportional to 1,605,345.20, 2,408,017.80 and 658,401.20 is: 987,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,345.20 : 2,408,017.80 = 658,401.20 : x
  2. Step 2: Convert to fraction form
    1,605,345.20/2,408,017.80 = 658,401.20/x
  3. Step 3: Cross multiply
    1,605,345.20x = 2,408,017.80 × 658,401.20
  4. Step 4: Simplify right side
    1,605,345.20x = 1,585,441,809,141.36
  5. Step 5: Solve for x
    x = 1,585,441,809,141.36/1,605,345.20
  6. Step 6: Final answer
    x = 987,601.80

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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.