Home / 1,087,345.36-1,631,061.24-339,391.36

Finding the Fourth Proportional to 1,087,345.36, 1,631,061.24 and 339,391.36

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Solution

The fourth proportional to 1,087,345.36, 1,631,061.24 and 339,391.36 is: 509,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,345.36 : 1,631,061.24 = 339,391.36 : x
  2. Step 2: Convert to fraction form
    1,087,345.36/1,631,061.24 = 339,391.36/x
  3. Step 3: Cross multiply
    1,087,345.36x = 1,631,061.24 × 339,391.36
  4. Step 4: Simplify right side
    1,087,345.36x = 553,568,092,486.89
  5. Step 5: Solve for x
    x = 553,568,092,486.89/1,087,345.36
  6. Step 6: Final answer
    x = 509,100.52

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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.