Finding the Fourth Proportional to 1,394,206.90, 2,088,545.55 and 831,570.10
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Solution
The fourth proportional to 1,394,206.90, 2,088,545.55 and 831,570.10 is: 1,245,706.09
Step by Step Solution
- Step 1: Write the proportion equation
1,394,206.90 : 2,088,545.55 = 831,570.10 : x - Step 2: Convert to fraction form
1,394,206.90/2,088,545.55 = 831,570.10/x - Step 3: Cross multiply
1,394,206.90x = 2,088,545.55 × 831,570.10 - Step 4: Simplify right side
1,394,206.90x = 1,736,772,031,868.06 - Step 5: Solve for x
x = 1,736,772,031,868.06/1,394,206.90 - Step 6: Final answer
x = 1,245,706.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.