Home / 1,240,924.56-1,861,395.48-679,652.88

Finding the Fourth Proportional to 1,240,924.56, 1,861,395.48 and 679,652.88

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Solution

The fourth proportional to 1,240,924.56, 1,861,395.48 and 679,652.88 is: 1,019,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,924.56 : 1,861,395.48 = 679,652.88 : x
  2. Step 2: Convert to fraction form
    1,240,924.56/1,861,395.48 = 679,652.88/x
  3. Step 3: Cross multiply
    1,240,924.56x = 1,861,395.48 × 679,652.88
  4. Step 4: Simplify right side
    1,240,924.56x = 1,265,102,798,800.98
  5. Step 5: Solve for x
    x = 1,265,102,798,800.98/1,240,924.56
  6. Step 6: Final answer
    x = 1,019,484.05

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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.