Finding the Fourth Proportional to 1,330,301.17, 1,835,815.12 and 718,454.07
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Solution
The fourth proportional to 1,330,301.17, 1,835,815.12 and 718,454.07 is: 991,466.35
Step by Step Solution
- Step 1: Write the proportion equation
1,330,301.17 : 1,835,815.12 = 718,454.07 : x - Step 2: Convert to fraction form
1,330,301.17/1,835,815.12 = 718,454.07/x - Step 3: Cross multiply
1,330,301.17x = 1,835,815.12 × 718,454.07 - Step 4: Simplify right side
1,330,301.17x = 1,318,948,842,935.40 - Step 5: Solve for x
x = 1,318,948,842,935.40/1,330,301.17 - Step 6: Final answer
x = 991,466.35
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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.