Home / 1,396,312.83-2,094,427.53-385,496.55

Finding the Fourth Proportional to 1,396,312.83, 2,094,427.53 and 385,496.55

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Solution

The fourth proportional to 1,396,312.83, 2,094,427.53 and 385,496.55 is: 578,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,312.83 : 2,094,427.53 = 385,496.55 : x
  2. Step 2: Convert to fraction form
    1,396,312.83/2,094,427.53 = 385,496.55/x
  3. Step 3: Cross multiply
    1,396,312.83x = 2,094,427.53 × 385,496.55
  4. Step 4: Simplify right side
    1,396,312.83x = 807,394,587,040.02
  5. Step 5: Solve for x
    x = 807,394,587,040.02/1,396,312.83
  6. Step 6: Final answer
    x = 578,233.31

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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.