Home / 1,307,286.56-1,961,042.80-360,657.28

Finding the Fourth Proportional to 1,307,286.56, 1,961,042.80 and 360,657.28

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Solution

The fourth proportional to 1,307,286.56, 1,961,042.80 and 360,657.28 is: 541,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,286.56 : 1,961,042.80 = 360,657.28 : x
  2. Step 2: Convert to fraction form
    1,307,286.56/1,961,042.80 = 360,657.28/x
  3. Step 3: Cross multiply
    1,307,286.56x = 1,961,042.80 × 360,657.28
  4. Step 4: Simplify right side
    1,307,286.56x = 707,264,362,211.58
  5. Step 5: Solve for x
    x = 707,264,362,211.58/1,307,286.56
  6. Step 6: Final answer
    x = 541,017.08

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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.