Home / 1,205,999.40-1,807,808.70-673,775.40

Finding the Fourth Proportional to 1,205,999.40, 1,807,808.70 and 673,775.40

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Solution

The fourth proportional to 1,205,999.40, 1,807,808.70 and 673,775.40 is: 1,009,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,999.40 : 1,807,808.70 = 673,775.40 : x
  2. Step 2: Convert to fraction form
    1,205,999.40/1,807,808.70 = 673,775.40/x
  3. Step 3: Cross multiply
    1,205,999.40x = 1,807,808.70 × 673,775.40
  4. Step 4: Simplify right side
    1,205,999.40x = 1,218,057,029,965.98
  5. Step 5: Solve for x
    x = 1,218,057,029,965.98/1,205,999.40
  6. Step 6: Final answer
    x = 1,009,998.04

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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.