Home / 1,308,147.84-1,804,505.40-823,880.88

Finding the Fourth Proportional to 1,308,147.84, 1,804,505.40 and 823,880.88

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Solution

The fourth proportional to 1,308,147.84, 1,804,505.40 and 823,880.88 is: 1,136,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,147.84 : 1,804,505.40 = 823,880.88 : x
  2. Step 2: Convert to fraction form
    1,308,147.84/1,804,505.40 = 823,880.88/x
  3. Step 3: Cross multiply
    1,308,147.84x = 1,804,505.40 × 823,880.88
  4. Step 4: Simplify right side
    1,308,147.84x = 1,486,697,496,916.75
  5. Step 5: Solve for x
    x = 1,486,697,496,916.75/1,308,147.84
  6. Step 6: Final answer
    x = 1,136,490.43

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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.