Home / 1,186,720.36-1,780,460.70-345,322.60

Finding the Fourth Proportional to 1,186,720.36, 1,780,460.70 and 345,322.60

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Solution

The fourth proportional to 1,186,720.36, 1,780,460.70 and 345,322.60 is: 518,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,720.36 : 1,780,460.70 = 345,322.60 : x
  2. Step 2: Convert to fraction form
    1,186,720.36/1,780,460.70 = 345,322.60/x
  3. Step 3: Cross multiply
    1,186,720.36x = 1,780,460.70 × 345,322.60
  4. Step 4: Simplify right side
    1,186,720.36x = 614,833,318,121.82
  5. Step 5: Solve for x
    x = 614,833,318,121.82/1,186,720.36
  6. Step 6: Final answer
    x = 518,094.52

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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.