Home / 1,011,253.01-1,396,089.68-689,435.96

Finding the Fourth Proportional to 1,011,253.01, 1,396,089.68 and 689,435.96

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Solution

The fourth proportional to 1,011,253.01, 1,396,089.68 and 689,435.96 is: 951,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,253.01 : 1,396,089.68 = 689,435.96 : x
  2. Step 2: Convert to fraction form
    1,011,253.01/1,396,089.68 = 689,435.96/x
  3. Step 3: Cross multiply
    1,011,253.01x = 1,396,089.68 × 689,435.96
  4. Step 4: Simplify right side
    1,011,253.01x = 962,514,418,349.27
  5. Step 5: Solve for x
    x = 962,514,418,349.27/1,011,253.01
  6. Step 6: Final answer
    x = 951,803.77

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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.