Finding the Fourth Proportional to 1,133,754.68, 1,564,581.43 and 624,457.06
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Solution
The fourth proportional to 1,133,754.68, 1,564,581.43 and 624,457.06 is: 861,750.72
Step by Step Solution
- Step 1: Write the proportion equation
1,133,754.68 : 1,564,581.43 = 624,457.06 : x - Step 2: Convert to fraction form
1,133,754.68/1,564,581.43 = 624,457.06/x - Step 3: Cross multiply
1,133,754.68x = 1,564,581.43 × 624,457.06 - Step 4: Simplify right side
1,133,754.68x = 977,013,916,777.51 - Step 5: Solve for x
x = 977,013,916,777.51/1,133,754.68 - Step 6: Final answer
x = 861,750.72
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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.