Home / 1,618,266.78-2,428,483.64-671,638.41

Finding the Fourth Proportional to 1,618,266.78, 2,428,483.64 and 671,638.41

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Solution

The fourth proportional to 1,618,266.78, 2,428,483.64 and 671,638.41 is: 1,007,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,266.78 : 2,428,483.64 = 671,638.41 : x
  2. Step 2: Convert to fraction form
    1,618,266.78/2,428,483.64 = 671,638.41/x
  3. Step 3: Cross multiply
    1,618,266.78x = 2,428,483.64 × 671,638.41
  4. Step 4: Simplify right side
    1,618,266.78x = 1,631,062,887,322.42
  5. Step 5: Solve for x
    x = 1,631,062,887,322.42/1,618,266.78
  6. Step 6: Final answer
    x = 1,007,907.29

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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.