Home / 1,396,690.90-2,094,704.16-385,790.46

Finding the Fourth Proportional to 1,396,690.90, 2,094,704.16 and 385,790.46

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Solution

The fourth proportional to 1,396,690.90, 2,094,704.16 and 385,790.46 is: 578,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,690.90 : 2,094,704.16 = 385,790.46 : x
  2. Step 2: Convert to fraction form
    1,396,690.90/2,094,704.16 = 385,790.46/x
  3. Step 3: Cross multiply
    1,396,690.90x = 2,094,704.16 × 385,790.46
  4. Step 4: Simplify right side
    1,396,690.90x = 808,116,881,450.31
  5. Step 5: Solve for x
    x = 808,116,881,450.31/1,396,690.90
  6. Step 6: Final answer
    x = 578,593.93

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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.