Home / 1,090,057.67-1,502,720.60-766,764.39

Finding the Fourth Proportional to 1,090,057.67, 1,502,720.60 and 766,764.39

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Solution

The fourth proportional to 1,090,057.67, 1,502,720.60 and 766,764.39 is: 1,057,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,057.67 : 1,502,720.60 = 766,764.39 : x
  2. Step 2: Convert to fraction form
    1,090,057.67/1,502,720.60 = 766,764.39/x
  3. Step 3: Cross multiply
    1,090,057.67x = 1,502,720.60 × 766,764.39
  4. Step 4: Simplify right side
    1,090,057.67x = 1,152,232,640,365.61
  5. Step 5: Solve for x
    x = 1,152,232,640,365.61/1,090,057.67
  6. Step 6: Final answer
    x = 1,057,038.24

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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.