Home / 1,417,242.16-2,125,870.92-419,978.80

Finding the Fourth Proportional to 1,417,242.16, 2,125,870.92 and 419,978.80

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Solution

The fourth proportional to 1,417,242.16, 2,125,870.92 and 419,978.80 is: 629,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,242.16 : 2,125,870.92 = 419,978.80 : x
  2. Step 2: Convert to fraction form
    1,417,242.16/2,125,870.92 = 419,978.80/x
  3. Step 3: Cross multiply
    1,417,242.16x = 2,125,870.92 × 419,978.80
  4. Step 4: Simplify right side
    1,417,242.16x = 892,820,717,936.50
  5. Step 5: Solve for x
    x = 892,820,717,936.50/1,417,242.16
  6. Step 6: Final answer
    x = 629,970.48

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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.