Home / 1,345,813.23-2,018,921.82-434,691.42

Finding the Fourth Proportional to 1,345,813.23, 2,018,921.82 and 434,691.42

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Solution

The fourth proportional to 1,345,813.23, 2,018,921.82 and 434,691.42 is: 652,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,813.23 : 2,018,921.82 = 434,691.42 : x
  2. Step 2: Convert to fraction form
    1,345,813.23/2,018,921.82 = 434,691.42/x
  3. Step 3: Cross multiply
    1,345,813.23x = 2,018,921.82 × 434,691.42
  4. Step 4: Simplify right side
    1,345,813.23x = 877,607,992,804.78
  5. Step 5: Solve for x
    x = 877,607,992,804.78/1,345,813.23
  6. Step 6: Final answer
    x = 652,102.37

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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.