Finding the Fourth Proportional to 1,371,992.68, 2,057,989.86 and 572,838.76
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Solution
The fourth proportional to 1,371,992.68, 2,057,989.86 and 572,838.76 is: 859,258.49
Step by Step Solution
- Step 1: Write the proportion equation
1,371,992.68 : 2,057,989.86 = 572,838.76 : x - Step 2: Convert to fraction form
1,371,992.68/2,057,989.86 = 572,838.76/x - Step 3: Cross multiply
1,371,992.68x = 2,057,989.86 × 572,838.76 - Step 4: Simplify right side
1,371,992.68x = 1,178,896,359,494.97 - Step 5: Solve for x
x = 1,178,896,359,494.97/1,371,992.68 - Step 6: Final answer
x = 859,258.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.