Finding the Fourth Proportional to 1,438,994.73, 2,156,053.20 and 869,178.67
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Solution
The fourth proportional to 1,438,994.73, 2,156,053.20 and 869,178.67 is: 1,302,294.87
Step by Step Solution
- Step 1: Write the proportion equation
1,438,994.73 : 2,156,053.20 = 869,178.67 : x - Step 2: Convert to fraction form
1,438,994.73/2,156,053.20 = 869,178.67/x - Step 3: Cross multiply
1,438,994.73x = 2,156,053.20 × 869,178.67 - Step 4: Simplify right side
1,438,994.73x = 1,873,995,452,825.24 - Step 5: Solve for x
x = 1,873,995,452,825.24/1,438,994.73 - Step 6: Final answer
x = 1,302,294.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.