Home / 1,345,203.63-2,018,764.98-746,643.60

Finding the Fourth Proportional to 1,345,203.63, 2,018,764.98 and 746,643.60

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Solution

The fourth proportional to 1,345,203.63, 2,018,764.98 and 746,643.60 is: 1,120,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,203.63 : 2,018,764.98 = 746,643.60 : x
  2. Step 2: Convert to fraction form
    1,345,203.63/2,018,764.98 = 746,643.60/x
  3. Step 3: Cross multiply
    1,345,203.63x = 2,018,764.98 × 746,643.60
  4. Step 4: Simplify right side
    1,345,203.63x = 1,507,297,952,221.13
  5. Step 5: Solve for x
    x = 1,507,297,952,221.13/1,345,203.63
  6. Step 6: Final answer
    x = 1,120,497.98

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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.