Home / 1,208,126.70-1,811,058.30-408,848.70

Finding the Fourth Proportional to 1,208,126.70, 1,811,058.30 and 408,848.70

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Solution

The fourth proportional to 1,208,126.70, 1,811,058.30 and 408,848.70 is: 612,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,126.70 : 1,811,058.30 = 408,848.70 : x
  2. Step 2: Convert to fraction form
    1,208,126.70/1,811,058.30 = 408,848.70/x
  3. Step 3: Cross multiply
    1,208,126.70x = 1,811,058.30 × 408,848.70
  4. Step 4: Simplify right side
    1,208,126.70x = 740,448,831,579.21
  5. Step 5: Solve for x
    x = 740,448,831,579.21/1,208,126.70
  6. Step 6: Final answer
    x = 612,890.05

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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.