Home / 1,351,443.56-1,864,911.72-739,474.24

Finding the Fourth Proportional to 1,351,443.56, 1,864,911.72 and 739,474.24

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Solution

The fourth proportional to 1,351,443.56, 1,864,911.72 and 739,474.24 is: 1,020,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,443.56 : 1,864,911.72 = 739,474.24 : x
  2. Step 2: Convert to fraction form
    1,351,443.56/1,864,911.72 = 739,474.24/x
  3. Step 3: Cross multiply
    1,351,443.56x = 1,864,911.72 × 739,474.24
  4. Step 4: Simplify right side
    1,351,443.56x = 1,379,054,176,814.09
  5. Step 5: Solve for x
    x = 1,379,054,176,814.09/1,351,443.56
  6. Step 6: Final answer
    x = 1,020,430.46

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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.