Home / 1,505,281.74-2,077,288-851,895.90

Finding the Fourth Proportional to 1,505,281.74, 2,077,288 and 851,895.90

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Solution

The fourth proportional to 1,505,281.74, 2,077,288 and 851,895.90 is: 1,175,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,281.74 : 2,077,288 = 851,895.90 : x
  2. Step 2: Convert to fraction form
    1,505,281.74/2,077,288 = 851,895.90/x
  3. Step 3: Cross multiply
    1,505,281.74x = 2,077,288 × 851,895.90
  4. Step 4: Simplify right side
    1,505,281.74x = 1,769,633,130,319.20
  5. Step 5: Solve for x
    x = 1,769,633,130,319.20/1,505,281.74
  6. Step 6: Final answer
    x = 1,175,615.89

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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.