Home / 1,190,812.70-1,643,314.56-646,944.14

Finding the Fourth Proportional to 1,190,812.70, 1,643,314.56 and 646,944.14

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Solution

The fourth proportional to 1,190,812.70, 1,643,314.56 and 646,944.14 is: 892,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,812.70 : 1,643,314.56 = 646,944.14 : x
  2. Step 2: Convert to fraction form
    1,190,812.70/1,643,314.56 = 646,944.14/x
  3. Step 3: Cross multiply
    1,190,812.70x = 1,643,314.56 × 646,944.14
  4. Step 4: Simplify right side
    1,190,812.70x = 1,063,132,724,768.68
  5. Step 5: Solve for x
    x = 1,063,132,724,768.68/1,190,812.70
  6. Step 6: Final answer
    x = 892,779.13

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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.