Home / 1,369,266.78-1,889,442.78-757,322.30

Finding the Fourth Proportional to 1,369,266.78, 1,889,442.78 and 757,322.30

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Solution

The fourth proportional to 1,369,266.78, 1,889,442.78 and 757,322.30 is: 1,045,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,266.78 : 1,889,442.78 = 757,322.30 : x
  2. Step 2: Convert to fraction form
    1,369,266.78/1,889,442.78 = 757,322.30/x
  3. Step 3: Cross multiply
    1,369,266.78x = 1,889,442.78 × 757,322.30
  4. Step 4: Simplify right side
    1,369,266.78x = 1,430,917,151,867.99
  5. Step 5: Solve for x
    x = 1,430,917,151,867.99/1,369,266.78
  6. Step 6: Final answer
    x = 1,045,024.37

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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.