Finding the Fourth Proportional to 1,225,754.99, 1,690,850.72 and 735,599.15
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Solution
The fourth proportional to 1,225,754.99, 1,690,850.72 and 735,599.15 is: 1,014,712.04
Step by Step Solution
- Step 1: Write the proportion equation
1,225,754.99 : 1,690,850.72 = 735,599.15 : x - Step 2: Convert to fraction form
1,225,754.99/1,690,850.72 = 735,599.15/x - Step 3: Cross multiply
1,225,754.99x = 1,690,850.72 × 735,599.15 - Step 4: Simplify right side
1,225,754.99x = 1,243,788,352,408.89 - Step 5: Solve for x
x = 1,243,788,352,408.89/1,225,754.99 - Step 6: Final answer
x = 1,014,712.04
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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.