Home / 1,136,368.56-1,704,109.86-426,009

Finding the Fourth Proportional to 1,136,368.56, 1,704,109.86 and 426,009

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Solution

The fourth proportional to 1,136,368.56, 1,704,109.86 and 426,009 is: 638,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,368.56 : 1,704,109.86 = 426,009 : x
  2. Step 2: Convert to fraction form
    1,136,368.56/1,704,109.86 = 426,009/x
  3. Step 3: Cross multiply
    1,136,368.56x = 1,704,109.86 × 426,009
  4. Step 4: Simplify right side
    1,136,368.56x = 725,966,137,348.74
  5. Step 5: Solve for x
    x = 725,966,137,348.74/1,136,368.56
  6. Step 6: Final answer
    x = 638,847.43

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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.