Home / 1,098,960.62-1,646,447.63-811,483.93

Finding the Fourth Proportional to 1,098,960.62, 1,646,447.63 and 811,483.93

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Solution

The fourth proportional to 1,098,960.62, 1,646,447.63 and 811,483.93 is: 1,215,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,960.62 : 1,646,447.63 = 811,483.93 : x
  2. Step 2: Convert to fraction form
    1,098,960.62/1,646,447.63 = 811,483.93/x
  3. Step 3: Cross multiply
    1,098,960.62x = 1,646,447.63 × 811,483.93
  4. Step 4: Simplify right side
    1,098,960.62x = 1,336,065,785,158.05
  5. Step 5: Solve for x
    x = 1,336,065,785,158.05/1,098,960.62
  6. Step 6: Final answer
    x = 1,215,754.01

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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.