Home / 1,351,333.47-1,864,840.40-739,486.38

Finding the Fourth Proportional to 1,351,333.47, 1,864,840.40 and 739,486.38

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Solution

The fourth proportional to 1,351,333.47, 1,864,840.40 and 739,486.38 is: 1,020,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,333.47 : 1,864,840.40 = 739,486.38 : x
  2. Step 2: Convert to fraction form
    1,351,333.47/1,864,840.40 = 739,486.38/x
  3. Step 3: Cross multiply
    1,351,333.47x = 1,864,840.40 × 739,486.38
  4. Step 4: Simplify right side
    1,351,333.47x = 1,379,024,072,976.32
  5. Step 5: Solve for x
    x = 1,379,024,072,976.32/1,351,333.47
  6. Step 6: Final answer
    x = 1,020,491.32

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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.