Finding the Fourth Proportional to 1,342,887.70, 2,016,664.35 and 713,031.70
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Solution
The fourth proportional to 1,342,887.70, 2,016,664.35 and 713,031.70 is: 1,070,786.19
Step by Step Solution
- Step 1: Write the proportion equation
1,342,887.70 : 2,016,664.35 = 713,031.70 : x - Step 2: Convert to fraction form
1,342,887.70/2,016,664.35 = 713,031.70/x - Step 3: Cross multiply
1,342,887.70x = 2,016,664.35 × 713,031.70 - Step 4: Simplify right side
1,342,887.70x = 1,437,945,609,809.90 - Step 5: Solve for x
x = 1,437,945,609,809.90/1,342,887.70 - Step 6: Final answer
x = 1,070,786.19
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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.