Home / 1,439,561.28-2,160,652.32-766,207.92

Finding the Fourth Proportional to 1,439,561.28, 2,160,652.32 and 766,207.92

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Solution

The fourth proportional to 1,439,561.28, 2,160,652.32 and 766,207.92 is: 1,150,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,561.28 : 2,160,652.32 = 766,207.92 : x
  2. Step 2: Convert to fraction form
    1,439,561.28/2,160,652.32 = 766,207.92/x
  3. Step 3: Cross multiply
    1,439,561.28x = 2,160,652.32 × 766,207.92
  4. Step 4: Simplify right side
    1,439,561.28x = 1,655,508,919,950.37
  5. Step 5: Solve for x
    x = 1,655,508,919,950.37/1,439,561.28
  6. Step 6: Final answer
    x = 1,150,009.34

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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.