Home / 1,745,728.69-2,408,744.54-1,020,436.11

Finding the Fourth Proportional to 1,745,728.69, 2,408,744.54 and 1,020,436.11

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Solution

The fourth proportional to 1,745,728.69, 2,408,744.54 and 1,020,436.11 is: 1,407,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,728.69 : 2,408,744.54 = 1,020,436.11 : x
  2. Step 2: Convert to fraction form
    1,745,728.69/2,408,744.54 = 1,020,436.11/x
  3. Step 3: Cross multiply
    1,745,728.69x = 2,408,744.54 × 1,020,436.11
  4. Step 4: Simplify right side
    1,745,728.69x = 2,457,969,908,381.34
  5. Step 5: Solve for x
    x = 2,457,969,908,381.34/1,745,728.69
  6. Step 6: Final answer
    x = 1,407,990.78

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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.