Home / 1,189,732.07-1,641,222.05-759,560.10

Finding the Fourth Proportional to 1,189,732.07, 1,641,222.05 and 759,560.10

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Solution

The fourth proportional to 1,189,732.07, 1,641,222.05 and 759,560.10 is: 1,047,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,732.07 : 1,641,222.05 = 759,560.10 : x
  2. Step 2: Convert to fraction form
    1,189,732.07/1,641,222.05 = 759,560.10/x
  3. Step 3: Cross multiply
    1,189,732.07x = 1,641,222.05 × 759,560.10
  4. Step 4: Simplify right side
    1,189,732.07x = 1,246,606,780,622.40
  5. Step 5: Solve for x
    x = 1,246,606,780,622.40/1,189,732.07
  6. Step 6: Final answer
    x = 1,047,804.64

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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.