Home / 1,090,077.75-1,502,748.27-766,784.43

Finding the Fourth Proportional to 1,090,077.75, 1,502,748.27 and 766,784.43

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Solution

The fourth proportional to 1,090,077.75, 1,502,748.27 and 766,784.43 is: 1,057,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,077.75 : 1,502,748.27 = 766,784.43 : x
  2. Step 2: Convert to fraction form
    1,090,077.75/1,502,748.27 = 766,784.43/x
  3. Step 3: Cross multiply
    1,090,077.75x = 1,502,748.27 × 766,784.43
  4. Step 4: Simplify right side
    1,090,077.75x = 1,152,283,975,645.44
  5. Step 5: Solve for x
    x = 1,152,283,975,645.44/1,090,077.75
  6. Step 6: Final answer
    x = 1,057,065.86

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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.