Home / 1,639,972.79-2,460,669.60-880,928.57

Finding the Fourth Proportional to 1,639,972.79, 2,460,669.60 and 880,928.57

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Solution

The fourth proportional to 1,639,972.79, 2,460,669.60 and 880,928.57 is: 1,321,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,972.79 : 2,460,669.60 = 880,928.57 : x
  2. Step 2: Convert to fraction form
    1,639,972.79/2,460,669.60 = 880,928.57/x
  3. Step 3: Cross multiply
    1,639,972.79x = 2,460,669.60 × 880,928.57
  4. Step 4: Simplify right side
    1,639,972.79x = 2,167,674,161,425.63
  5. Step 5: Solve for x
    x = 2,167,674,161,425.63/1,639,972.79
  6. Step 6: Final answer
    x = 1,321,774.47

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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.