Home / 1,620,134.15-2,430,192.51-660,586.07

Finding the Fourth Proportional to 1,620,134.15, 2,430,192.51 and 660,586.07

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Solution

The fourth proportional to 1,620,134.15, 2,430,192.51 and 660,586.07 is: 990,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,134.15 : 2,430,192.51 = 660,586.07 : x
  2. Step 2: Convert to fraction form
    1,620,134.15/2,430,192.51 = 660,586.07/x
  3. Step 3: Cross multiply
    1,620,134.15x = 2,430,192.51 × 660,586.07
  4. Step 4: Simplify right side
    1,620,134.15x = 1,605,351,325,599.82
  5. Step 5: Solve for x
    x = 1,605,351,325,599.82/1,620,134.15
  6. Step 6: Final answer
    x = 990,875.56

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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.