Finding the Fourth Proportional to 1,154,875.68, 1,593,738.77 and 638,664.55
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Solution
The fourth proportional to 1,154,875.68, 1,593,738.77 and 638,664.55 is: 881,362.79
Step by Step Solution
- Step 1: Write the proportion equation
1,154,875.68 : 1,593,738.77 = 638,664.55 : x - Step 2: Convert to fraction form
1,154,875.68/1,593,738.77 = 638,664.55/x - Step 3: Cross multiply
1,154,875.68x = 1,593,738.77 × 638,664.55 - Step 4: Simplify right side
1,154,875.68x = 1,017,864,452,570.67 - Step 5: Solve for x
x = 1,017,864,452,570.67/1,154,875.68 - Step 6: Final answer
x = 881,362.79
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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.