Home / 1,136,397.56-1,704,153.36-426,038

Finding the Fourth Proportional to 1,136,397.56, 1,704,153.36 and 426,038

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Solution

The fourth proportional to 1,136,397.56, 1,704,153.36 and 426,038 is: 638,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,397.56 : 1,704,153.36 = 426,038 : x
  2. Step 2: Convert to fraction form
    1,136,397.56/1,704,153.36 = 426,038/x
  3. Step 3: Cross multiply
    1,136,397.56x = 1,704,153.36 × 426,038
  4. Step 4: Simplify right side
    1,136,397.56x = 726,034,089,187.68
  5. Step 5: Solve for x
    x = 726,034,089,187.68/1,136,397.56
  6. Step 6: Final answer
    x = 638,890.93

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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.