Finding the Fourth Proportional to 1,302,715.80, 1,955,823.30 and 831,490.20
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Solution
The fourth proportional to 1,302,715.80, 1,955,823.30 and 831,490.20 is: 1,248,352.02
Step by Step Solution
- Step 1: Write the proportion equation
1,302,715.80 : 1,955,823.30 = 831,490.20 : x - Step 2: Convert to fraction form
1,302,715.80/1,955,823.30 = 831,490.20/x - Step 3: Cross multiply
1,302,715.80x = 1,955,823.30 × 831,490.20 - Step 4: Simplify right side
1,302,715.80x = 1,626,247,906,881.66 - Step 5: Solve for x
x = 1,626,247,906,881.66/1,302,715.80 - Step 6: Final answer
x = 1,248,352.02
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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.