Home / 1,484,902.52-2,049,164.16-840,311

Finding the Fourth Proportional to 1,484,902.52, 2,049,164.16 and 840,311

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Solution

The fourth proportional to 1,484,902.52, 2,049,164.16 and 840,311 is: 1,159,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,902.52 : 2,049,164.16 = 840,311 : x
  2. Step 2: Convert to fraction form
    1,484,902.52/2,049,164.16 = 840,311/x
  3. Step 3: Cross multiply
    1,484,902.52x = 2,049,164.16 × 840,311
  4. Step 4: Simplify right side
    1,484,902.52x = 1,721,935,184,453.76
  5. Step 5: Solve for x
    x = 1,721,935,184,453.76/1,484,902.52
  6. Step 6: Final answer
    x = 1,159,628.43

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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.