Home / 1,259,442.87-1,738,031.63-715,579.37

Finding the Fourth Proportional to 1,259,442.87, 1,738,031.63 and 715,579.37

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Solution

The fourth proportional to 1,259,442.87, 1,738,031.63 and 715,579.37 is: 987,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,442.87 : 1,738,031.63 = 715,579.37 : x
  2. Step 2: Convert to fraction form
    1,259,442.87/1,738,031.63 = 715,579.37/x
  3. Step 3: Cross multiply
    1,259,442.87x = 1,738,031.63 × 715,579.37
  4. Step 4: Simplify right side
    1,259,442.87x = 1,243,699,586,886.60
  5. Step 5: Solve for x
    x = 1,243,699,586,886.60/1,259,442.87
  6. Step 6: Final answer
    x = 987,499.80

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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.