Home / 1,055,146.60-1,582,941.36-345,119.20

Finding the Fourth Proportional to 1,055,146.60, 1,582,941.36 and 345,119.20

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Solution

The fourth proportional to 1,055,146.60, 1,582,941.36 and 345,119.20 is: 517,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,146.60 : 1,582,941.36 = 345,119.20 : x
  2. Step 2: Convert to fraction form
    1,055,146.60/1,582,941.36 = 345,119.20/x
  3. Step 3: Cross multiply
    1,055,146.60x = 1,582,941.36 × 345,119.20
  4. Step 4: Simplify right side
    1,055,146.60x = 546,303,455,810.11
  5. Step 5: Solve for x
    x = 546,303,455,810.11/1,055,146.60
  6. Step 6: Final answer
    x = 517,751.24

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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.