Home / 1,457,261.46-2,011,016.85-812,682.34

Finding the Fourth Proportional to 1,457,261.46, 2,011,016.85 and 812,682.34

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Solution

The fourth proportional to 1,457,261.46, 2,011,016.85 and 812,682.34 is: 1,121,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,261.46 : 2,011,016.85 = 812,682.34 : x
  2. Step 2: Convert to fraction form
    1,457,261.46/2,011,016.85 = 812,682.34/x
  3. Step 3: Cross multiply
    1,457,261.46x = 2,011,016.85 × 812,682.34
  4. Step 4: Simplify right side
    1,457,261.46x = 1,634,317,879,437.43
  5. Step 5: Solve for x
    x = 1,634,317,879,437.43/1,457,261.46
  6. Step 6: Final answer
    x = 1,121,499.42

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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.