Finding the Fourth Proportional to 1,424,976.05, 1,966,428.55 and 813,117.74
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Solution
The fourth proportional to 1,424,976.05, 1,966,428.55 and 813,117.74 is: 1,122,080.57
Step by Step Solution
- Step 1: Write the proportion equation
1,424,976.05 : 1,966,428.55 = 813,117.74 : x - Step 2: Convert to fraction form
1,424,976.05/1,966,428.55 = 813,117.74/x - Step 3: Cross multiply
1,424,976.05x = 1,966,428.55 × 813,117.74 - Step 4: Simplify right side
1,424,976.05x = 1,598,937,941,330.75 - Step 5: Solve for x
x = 1,598,937,941,330.75/1,424,976.05 - Step 6: Final answer
x = 1,122,080.57
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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.