Finding the Fourth Proportional to 1,144,918.60, 1,725,607.44 and 986,901.70
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Solution
The fourth proportional to 1,144,918.60, 1,725,607.44 and 986,901.70 is: 1,487,446.28
Step by Step Solution
- Step 1: Write the proportion equation
1,144,918.60 : 1,725,607.44 = 986,901.70 : x - Step 2: Convert to fraction form
1,144,918.60/1,725,607.44 = 986,901.70/x - Step 3: Cross multiply
1,144,918.60x = 1,725,607.44 × 986,901.70 - Step 4: Simplify right side
1,144,918.60x = 1,703,004,916,068.65 - Step 5: Solve for x
x = 1,703,004,916,068.65/1,144,918.60 - Step 6: Final answer
x = 1,487,446.28
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.