Home / 1,396,289.12-2,094,553.92-385,411.26

Finding the Fourth Proportional to 1,396,289.12, 2,094,553.92 and 385,411.26

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Solution

The fourth proportional to 1,396,289.12, 2,094,553.92 and 385,411.26 is: 578,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,289.12 : 2,094,553.92 = 385,411.26 : x
  2. Step 2: Convert to fraction form
    1,396,289.12/2,094,553.92 = 385,411.26/x
  3. Step 3: Cross multiply
    1,396,289.12x = 2,094,553.92 × 385,411.26
  4. Step 4: Simplify right side
    1,396,289.12x = 807,264,665,445.14
  5. Step 5: Solve for x
    x = 807,264,665,445.14/1,396,289.12
  6. Step 6: Final answer
    x = 578,150.08

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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.