Home / 1,136,395.56-1,704,150.36-426,036

Finding the Fourth Proportional to 1,136,395.56, 1,704,150.36 and 426,036

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Solution

The fourth proportional to 1,136,395.56, 1,704,150.36 and 426,036 is: 638,887.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,395.56 : 1,704,150.36 = 426,036 : x
  2. Step 2: Convert to fraction form
    1,136,395.56/1,704,150.36 = 426,036/x
  3. Step 3: Cross multiply
    1,136,395.56x = 1,704,150.36 × 426,036
  4. Step 4: Simplify right side
    1,136,395.56x = 726,029,402,772.96
  5. Step 5: Solve for x
    x = 726,029,402,772.96/1,136,395.56
  6. Step 6: Final answer
    x = 638,887.93

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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.