Home / 2,287,164.48-3,429,637.44-689,429.76

Finding the Fourth Proportional to 2,287,164.48, 3,429,637.44 and 689,429.76

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Solution

The fourth proportional to 2,287,164.48, 3,429,637.44 and 689,429.76 is: 1,033,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,164.48 : 3,429,637.44 = 689,429.76 : x
  2. Step 2: Convert to fraction form
    2,287,164.48/3,429,637.44 = 689,429.76/x
  3. Step 3: Cross multiply
    2,287,164.48x = 3,429,637.44 × 689,429.76
  4. Step 4: Simplify right side
    2,287,164.48x = 2,364,494,117,146.21
  5. Step 5: Solve for x
    x = 2,364,494,117,146.21/2,287,164.48
  6. Step 6: Final answer
    x = 1,033,810.26

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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.