Finding the Fourth Proportional to 1,225,474.08, 1,690,463.97 and 735,316.90
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Solution
The fourth proportional to 1,225,474.08, 1,690,463.97 and 735,316.90 is: 1,014,323.15
Step by Step Solution
- Step 1: Write the proportion equation
1,225,474.08 : 1,690,463.97 = 735,316.90 : x - Step 2: Convert to fraction form
1,225,474.08/1,690,463.97 = 735,316.90/x - Step 3: Cross multiply
1,225,474.08x = 1,690,463.97 × 735,316.90 - Step 4: Simplify right side
1,225,474.08x = 1,243,026,725,982.09 - Step 5: Solve for x
x = 1,243,026,725,982.09/1,225,474.08 - Step 6: Final answer
x = 1,014,323.15
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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.