Finding the Fourth Proportional to 1,309,806.15, 1,962,371.81 and 710,384.99
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Solution
The fourth proportional to 1,309,806.15, 1,962,371.81 and 710,384.99 is: 1,064,309.76
Step by Step Solution
- Step 1: Write the proportion equation
1,309,806.15 : 1,962,371.81 = 710,384.99 : x - Step 2: Convert to fraction form
1,309,806.15/1,962,371.81 = 710,384.99/x - Step 3: Cross multiply
1,309,806.15x = 1,962,371.81 × 710,384.99 - Step 4: Simplify right side
1,309,806.15x = 1,394,039,470,587.24 - Step 5: Solve for x
x = 1,394,039,470,587.24/1,309,806.15 - Step 6: Final answer
x = 1,064,309.76
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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.