Home / 1,457,243.42-2,010,992.01-812,664.32

Finding the Fourth Proportional to 1,457,243.42, 2,010,992.01 and 812,664.32

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Solution

The fourth proportional to 1,457,243.42, 2,010,992.01 and 812,664.32 is: 1,121,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,243.42 : 2,010,992.01 = 812,664.32 : x
  2. Step 2: Convert to fraction form
    1,457,243.42/2,010,992.01 = 812,664.32/x
  3. Step 3: Cross multiply
    1,457,243.42x = 2,010,992.01 × 812,664.32
  4. Step 4: Simplify right side
    1,457,243.42x = 1,634,261,454,332.08
  5. Step 5: Solve for x
    x = 1,634,261,454,332.08/1,457,243.42
  6. Step 6: Final answer
    x = 1,121,474.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.