Home / 1,618,681.10-2,428,021.65-777,029.90

Finding the Fourth Proportional to 1,618,681.10, 2,428,021.65 and 777,029.90

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Solution

The fourth proportional to 1,618,681.10, 2,428,021.65 and 777,029.90 is: 1,165,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,681.10 : 2,428,021.65 = 777,029.90 : x
  2. Step 2: Convert to fraction form
    1,618,681.10/2,428,021.65 = 777,029.90/x
  3. Step 3: Cross multiply
    1,618,681.10x = 2,428,021.65 × 777,029.90
  4. Step 4: Simplify right side
    1,618,681.10x = 1,886,645,419,897.34
  5. Step 5: Solve for x
    x = 1,886,645,419,897.34/1,618,681.10
  6. Step 6: Final answer
    x = 1,165,544.85

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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.