Home / 1,354,428.80-1,869,040.22-773,537.00

Finding the Fourth Proportional to 1,354,428.80, 1,869,040.22 and 773,537.00

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Solution

The fourth proportional to 1,354,428.80, 1,869,040.22 and 773,537.00 is: 1,067,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,428.80 : 1,869,040.22 = 773,537.00 : x
  2. Step 2: Convert to fraction form
    1,354,428.80/1,869,040.22 = 773,537.00/x
  3. Step 3: Cross multiply
    1,354,428.80x = 1,869,040.22 × 773,537.00
  4. Step 4: Simplify right side
    1,354,428.80x = 1,445,771,751,445.25
  5. Step 5: Solve for x
    x = 1,445,771,751,445.25/1,354,428.80
  6. Step 6: Final answer
    x = 1,067,440.21

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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.