Home / 1,021,657.05-1,409,606.15-711,211.73

Finding the Fourth Proportional to 1,021,657.05, 1,409,606.15 and 711,211.73

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Solution

The fourth proportional to 1,021,657.05, 1,409,606.15 and 711,211.73 is: 981,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,657.05 : 1,409,606.15 = 711,211.73 : x
  2. Step 2: Convert to fraction form
    1,021,657.05/1,409,606.15 = 711,211.73/x
  3. Step 3: Cross multiply
    1,021,657.05x = 1,409,606.15 × 711,211.73
  4. Step 4: Simplify right side
    1,021,657.05x = 1,002,528,417,956.05
  5. Step 5: Solve for x
    x = 1,002,528,417,956.05/1,021,657.05
  6. Step 6: Final answer
    x = 981,276.86

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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.