Home / 1,342,380.16-2,011,208.16-1,262,467.20

Finding the Fourth Proportional to 1,342,380.16, 2,011,208.16 and 1,262,467.20

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Solution

The fourth proportional to 1,342,380.16, 2,011,208.16 and 1,262,467.20 is: 1,891,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,380.16 : 2,011,208.16 = 1,262,467.20 : x
  2. Step 2: Convert to fraction form
    1,342,380.16/2,011,208.16 = 1,262,467.20/x
  3. Step 3: Cross multiply
    1,342,380.16x = 2,011,208.16 × 1,262,467.20
  4. Step 4: Simplify right side
    1,342,380.16x = 2,539,084,334,372.35
  5. Step 5: Solve for x
    x = 2,539,084,334,372.35/1,342,380.16
  6. Step 6: Final answer
    x = 1,891,479.34

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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.