Home / 1,660,388.63-2,490,539.20-462,262.55

Finding the Fourth Proportional to 1,660,388.63, 2,490,539.20 and 462,262.55

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Solution

The fourth proportional to 1,660,388.63, 2,490,539.20 and 462,262.55 is: 693,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,388.63 : 2,490,539.20 = 462,262.55 : x
  2. Step 2: Convert to fraction form
    1,660,388.63/2,490,539.20 = 462,262.55/x
  3. Step 3: Cross multiply
    1,660,388.63x = 2,490,539.20 × 462,262.55
  4. Step 4: Simplify right side
    1,660,388.63x = 1,151,282,987,858.61
  5. Step 5: Solve for x
    x = 1,151,282,987,858.61/1,660,388.63
  6. Step 6: Final answer
    x = 693,381.64

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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.