Home / 1,368,879.24-1,889,065.89-757,000.38

Finding the Fourth Proportional to 1,368,879.24, 1,889,065.89 and 757,000.38

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Solution

The fourth proportional to 1,368,879.24, 1,889,065.89 and 757,000.38 is: 1,044,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,879.24 : 1,889,065.89 = 757,000.38 : x
  2. Step 2: Convert to fraction form
    1,368,879.24/1,889,065.89 = 757,000.38/x
  3. Step 3: Cross multiply
    1,368,879.24x = 1,889,065.89 × 757,000.38
  4. Step 4: Simplify right side
    1,368,879.24x = 1,430,023,596,575.04
  5. Step 5: Solve for x
    x = 1,430,023,596,575.04/1,368,879.24
  6. Step 6: Final answer
    x = 1,044,667.46

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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.