Home / 1,340,410.12-1,850,656.74-1,029,759.45

Finding the Fourth Proportional to 1,340,410.12, 1,850,656.74 and 1,029,759.45

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Solution

The fourth proportional to 1,340,410.12, 1,850,656.74 and 1,029,759.45 is: 1,421,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,410.12 : 1,850,656.74 = 1,029,759.45 : x
  2. Step 2: Convert to fraction form
    1,340,410.12/1,850,656.74 = 1,029,759.45/x
  3. Step 3: Cross multiply
    1,340,410.12x = 1,850,656.74 × 1,029,759.45
  4. Step 4: Simplify right side
    1,340,410.12x = 1,905,731,257,467.91
  5. Step 5: Solve for x
    x = 1,905,731,257,467.91/1,340,410.12
  6. Step 6: Final answer
    x = 1,421,752.36

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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.