Home / 1,356,139.02-2,034,175.71-345,263.16

Finding the Fourth Proportional to 1,356,139.02, 2,034,175.71 and 345,263.16

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Solution

The fourth proportional to 1,356,139.02, 2,034,175.71 and 345,263.16 is: 517,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,139.02 : 2,034,175.71 = 345,263.16 : x
  2. Step 2: Convert to fraction form
    1,356,139.02/2,034,175.71 = 345,263.16/x
  3. Step 3: Cross multiply
    1,356,139.02x = 2,034,175.71 × 345,263.16
  4. Step 4: Simplify right side
    1,356,139.02x = 702,325,933,629.84
  5. Step 5: Solve for x
    x = 702,325,933,629.84/1,356,139.02
  6. Step 6: Final answer
    x = 517,886.38

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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.