Finding the Fourth Proportional to 1,219,888.55, 1,683,425.63 and 676,023.23
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Solution
The fourth proportional to 1,219,888.55, 1,683,425.63 and 676,023.23 is: 932,900.66
Step by Step Solution
- Step 1: Write the proportion equation
1,219,888.55 : 1,683,425.63 = 676,023.23 : x - Step 2: Convert to fraction form
1,219,888.55/1,683,425.63 = 676,023.23/x - Step 3: Cross multiply
1,219,888.55x = 1,683,425.63 × 676,023.23 - Step 4: Simplify right side
1,219,888.55x = 1,138,034,831,857.38 - Step 5: Solve for x
x = 1,138,034,831,857.38/1,219,888.55 - Step 6: Final answer
x = 932,900.66
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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.