Home / 1,311,924.12-1,968,457.92-459,607.20

Finding the Fourth Proportional to 1,311,924.12, 1,968,457.92 and 459,607.20

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Solution

The fourth proportional to 1,311,924.12, 1,968,457.92 and 459,607.20 is: 689,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,924.12 : 1,968,457.92 = 459,607.20 : x
  2. Step 2: Convert to fraction form
    1,311,924.12/1,968,457.92 = 459,607.20/x
  3. Step 3: Cross multiply
    1,311,924.12x = 1,968,457.92 × 459,607.20
  4. Step 4: Simplify right side
    1,311,924.12x = 904,717,432,929.02
  5. Step 5: Solve for x
    x = 904,717,432,929.02/1,311,924.12
  6. Step 6: Final answer
    x = 689,611.10

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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.