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Finding the Fourth Proportional to 1,055,798, 1,583,961.06 and 307,844

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Solution

The fourth proportional to 1,055,798, 1,583,961.06 and 307,844 is: 461,842.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,798 : 1,583,961.06 = 307,844 : x
  2. Step 2: Convert to fraction form
    1,055,798/1,583,961.06 = 307,844/x
  3. Step 3: Cross multiply
    1,055,798x = 1,583,961.06 × 307,844
  4. Step 4: Simplify right side
    1,055,798x = 487,612,908,554.64
  5. Step 5: Solve for x
    x = 487,612,908,554.64/1,055,798
  6. Step 6: Final answer
    x = 461,842.99

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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.