Home / 1,160,858.50-1,741,287.48-761,407

Finding the Fourth Proportional to 1,160,858.50, 1,741,287.48 and 761,407

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Solution

The fourth proportional to 1,160,858.50, 1,741,287.48 and 761,407 is: 1,142,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,858.50 : 1,741,287.48 = 761,407 : x
  2. Step 2: Convert to fraction form
    1,160,858.50/1,741,287.48 = 761,407/x
  3. Step 3: Cross multiply
    1,160,858.50x = 1,741,287.48 × 761,407
  4. Step 4: Simplify right side
    1,160,858.50x = 1,325,828,476,284.36
  5. Step 5: Solve for x
    x = 1,325,828,476,284.36/1,160,858.50
  6. Step 6: Final answer
    x = 1,142,110.32

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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.