Home / 855,561.40-1,283,342.10-816,195.40

Finding the Fourth Proportional to 855,561.40, 1,283,342.10 and 816,195.40

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Solution

The fourth proportional to 855,561.40, 1,283,342.10 and 816,195.40 is: 1,224,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,561.40 : 1,283,342.10 = 816,195.40 : x
  2. Step 2: Convert to fraction form
    855,561.40/1,283,342.10 = 816,195.40/x
  3. Step 3: Cross multiply
    855,561.40x = 1,283,342.10 × 816,195.40
  4. Step 4: Simplify right side
    855,561.40x = 1,047,457,918,646.34
  5. Step 5: Solve for x
    x = 1,047,457,918,646.34/855,561.40
  6. Step 6: Final answer
    x = 1,224,293.10

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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.