Finding the Fourth Proportional to 1,235,730.21, 1,704,428.19 and 1,134,083.67
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Solution
The fourth proportional to 1,235,730.21, 1,704,428.19 and 1,134,083.67 is: 1,564,228.31
Step by Step Solution
- Step 1: Write the proportion equation
1,235,730.21 : 1,704,428.19 = 1,134,083.67 : x - Step 2: Convert to fraction form
1,235,730.21/1,704,428.19 = 1,134,083.67/x - Step 3: Cross multiply
1,235,730.21x = 1,704,428.19 × 1,134,083.67 - Step 4: Simplify right side
1,235,730.21x = 1,932,964,176,966.66 - Step 5: Solve for x
x = 1,932,964,176,966.66/1,235,730.21 - Step 6: Final answer
x = 1,564,228.31
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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.