Finding the Fourth Proportional to 1,315,602.80, 1,973,237.74 and 417,053.19
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Solution
The fourth proportional to 1,315,602.80, 1,973,237.74 and 417,053.19 is: 625,527.02
Step by Step Solution
- Step 1: Write the proportion equation
1,315,602.80 : 1,973,237.74 = 417,053.19 : x - Step 2: Convert to fraction form
1,315,602.80/1,973,237.74 = 417,053.19/x - Step 3: Cross multiply
1,315,602.80x = 1,973,237.74 × 417,053.19 - Step 4: Simplify right side
1,315,602.80x = 822,945,093,052.76 - Step 5: Solve for x
x = 822,945,093,052.76/1,315,602.80 - Step 6: Final answer
x = 625,527.02
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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.