Finding the Fourth Proportional to 1,371,688.92, 1,892,930.40 and 759,881.28
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Solution
The fourth proportional to 1,371,688.92, 1,892,930.40 and 759,881.28 is: 1,048,635.99
Step by Step Solution
- Step 1: Write the proportion equation
1,371,688.92 : 1,892,930.40 = 759,881.28 : x - Step 2: Convert to fraction form
1,371,688.92/1,892,930.40 = 759,881.28/x - Step 3: Cross multiply
1,371,688.92x = 1,892,930.40 × 759,881.28 - Step 4: Simplify right side
1,371,688.92x = 1,438,402,375,302.91 - Step 5: Solve for x
x = 1,438,402,375,302.91/1,371,688.92 - Step 6: Final answer
x = 1,048,635.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.