Finding the Fourth Proportional to 1,316,981.92, 1,817,433.36 and 713,372.32
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Solution
The fourth proportional to 1,316,981.92, 1,817,433.36 and 713,372.32 is: 984,452.89
Step by Step Solution
- Step 1: Write the proportion equation
1,316,981.92 : 1,817,433.36 = 713,372.32 : x - Step 2: Convert to fraction form
1,316,981.92/1,817,433.36 = 713,372.32/x - Step 3: Cross multiply
1,316,981.92x = 1,817,433.36 × 713,372.32 - Step 4: Simplify right side
1,316,981.92x = 1,296,506,652,468.60 - Step 5: Solve for x
x = 1,296,506,652,468.60/1,316,981.92 - Step 6: Final answer
x = 984,452.89
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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.