Home / 1,231,641.56-1,700,465.10-1,102,356.14

Finding the Fourth Proportional to 1,231,641.56, 1,700,465.10 and 1,102,356.14

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Solution

The fourth proportional to 1,231,641.56, 1,700,465.10 and 1,102,356.14 is: 1,521,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,641.56 : 1,700,465.10 = 1,102,356.14 : x
  2. Step 2: Convert to fraction form
    1,231,641.56/1,700,465.10 = 1,102,356.14/x
  3. Step 3: Cross multiply
    1,231,641.56x = 1,700,465.10 × 1,102,356.14
  4. Step 4: Simplify right side
    1,231,641.56x = 1,874,518,135,338.39
  5. Step 5: Solve for x
    x = 1,874,518,135,338.39/1,231,641.56
  6. Step 6: Final answer
    x = 1,521,967.27

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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.