Home / 1,346,612.36-2,019,921.78-547,330.28

Finding the Fourth Proportional to 1,346,612.36, 2,019,921.78 and 547,330.28

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Solution

The fourth proportional to 1,346,612.36, 2,019,921.78 and 547,330.28 is: 820,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,612.36 : 2,019,921.78 = 547,330.28 : x
  2. Step 2: Convert to fraction form
    1,346,612.36/2,019,921.78 = 547,330.28/x
  3. Step 3: Cross multiply
    1,346,612.36x = 2,019,921.78 × 547,330.28
  4. Step 4: Simplify right side
    1,346,612.36x = 1,105,564,353,425.50
  5. Step 5: Solve for x
    x = 1,105,564,353,425.50/1,346,612.36
  6. Step 6: Final answer
    x = 820,996.74

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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.