Finding the Fourth Proportional to 1,321,090.85, 1,982,398.98 and 713,881.23
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Solution
The fourth proportional to 1,321,090.85, 1,982,398.98 and 713,881.23 is: 1,071,233.99
Step by Step Solution
- Step 1: Write the proportion equation
1,321,090.85 : 1,982,398.98 = 713,881.23 : x - Step 2: Convert to fraction form
1,321,090.85/1,982,398.98 = 713,881.23/x - Step 3: Cross multiply
1,321,090.85x = 1,982,398.98 × 713,881.23 - Step 4: Simplify right side
1,321,090.85x = 1,415,197,422,193.15 - Step 5: Solve for x
x = 1,415,197,422,193.15/1,321,090.85 - Step 6: Final answer
x = 1,071,233.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.