Finding the Fourth Proportional to 1,014,652.95, 1,400,220.77 and 555,796.09
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Solution
The fourth proportional to 1,014,652.95, 1,400,220.77 and 555,796.09 is: 766,998.44
Step by Step Solution
- Step 1: Write the proportion equation
1,014,652.95 : 1,400,220.77 = 555,796.09 : x - Step 2: Convert to fraction form
1,014,652.95/1,400,220.77 = 555,796.09/x - Step 3: Cross multiply
1,014,652.95x = 1,400,220.77 × 555,796.09 - Step 4: Simplify right side
1,014,652.95x = 778,237,232,778.72 - Step 5: Solve for x
x = 778,237,232,778.72/1,014,652.95 - Step 6: Final answer
x = 766,998.44
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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.