Home / 1,129,508.07-1,693,886.27-455,415.27

Finding the Fourth Proportional to 1,129,508.07, 1,693,886.27 and 455,415.27

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Solution

The fourth proportional to 1,129,508.07, 1,693,886.27 and 455,415.27 is: 682,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,508.07 : 1,693,886.27 = 455,415.27 : x
  2. Step 2: Convert to fraction form
    1,129,508.07/1,693,886.27 = 455,415.27/x
  3. Step 3: Cross multiply
    1,129,508.07x = 1,693,886.27 × 455,415.27
  4. Step 4: Simplify right side
    1,129,508.07x = 771,421,670,724.27
  5. Step 5: Solve for x
    x = 771,421,670,724.27/1,129,508.07
  6. Step 6: Final answer
    x = 682,971.37

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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.