Home / 1,487,665.81-2,052,935.67-843,145.57

Finding the Fourth Proportional to 1,487,665.81, 2,052,935.67 and 843,145.57

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Solution

The fourth proportional to 1,487,665.81, 2,052,935.67 and 843,145.57 is: 1,163,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,665.81 : 2,052,935.67 = 843,145.57 : x
  2. Step 2: Convert to fraction form
    1,487,665.81/2,052,935.67 = 843,145.57/x
  3. Step 3: Cross multiply
    1,487,665.81x = 2,052,935.67 × 843,145.57
  4. Step 4: Simplify right side
    1,487,665.81x = 1,730,923,615,655.48
  5. Step 5: Solve for x
    x = 1,730,923,615,655.48/1,487,665.81
  6. Step 6: Final answer
    x = 1,163,516.43

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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.