Finding the Fourth Proportional to 1,133,721.14, 1,564,463.36 and 624,423.51
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Solution
The fourth proportional to 1,133,721.14, 1,564,463.36 and 624,423.51 is: 861,664.89
Step by Step Solution
- Step 1: Write the proportion equation
1,133,721.14 : 1,564,463.36 = 624,423.51 : x - Step 2: Convert to fraction form
1,133,721.14/1,564,463.36 = 624,423.51/x - Step 3: Cross multiply
1,133,721.14x = 1,564,463.36 × 624,423.51 - Step 4: Simplify right side
1,133,721.14x = 976,887,699,395.48 - Step 5: Solve for x
x = 976,887,699,395.48/1,133,721.14 - Step 6: Final answer
x = 861,664.89
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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.