Home / 1,605,631.64-2,215,802.07-880,436.10

Finding the Fourth Proportional to 1,605,631.64, 2,215,802.07 and 880,436.10

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Solution

The fourth proportional to 1,605,631.64, 2,215,802.07 and 880,436.10 is: 1,215,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,631.64 : 2,215,802.07 = 880,436.10 : x
  2. Step 2: Convert to fraction form
    1,605,631.64/2,215,802.07 = 880,436.10/x
  3. Step 3: Cross multiply
    1,605,631.64x = 2,215,802.07 × 880,436.10
  4. Step 4: Simplify right side
    1,605,631.64x = 1,950,872,132,882.73
  5. Step 5: Solve for x
    x = 1,950,872,132,882.73/1,605,631.64
  6. Step 6: Final answer
    x = 1,215,018.50

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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.