Home / 1,079,817.32-1,490,086.54-620,858.96

Finding the Fourth Proportional to 1,079,817.32, 1,490,086.54 and 620,858.96

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Solution

The fourth proportional to 1,079,817.32, 1,490,086.54 and 620,858.96 is: 856,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,817.32 : 1,490,086.54 = 620,858.96 : x
  2. Step 2: Convert to fraction form
    1,079,817.32/1,490,086.54 = 620,858.96/x
  3. Step 3: Cross multiply
    1,079,817.32x = 1,490,086.54 × 620,858.96
  4. Step 4: Simplify right side
    1,079,817.32x = 925,133,579,534.40
  5. Step 5: Solve for x
    x = 925,133,579,534.40/1,079,817.32
  6. Step 6: Final answer
    x = 856,750.08

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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.