Finding the Fourth Proportional to 1,113,341.19, 1,670,121.14 and 314,628.81
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Solution
The fourth proportional to 1,113,341.19, 1,670,121.14 and 314,628.81 is: 471,974.12
Step by Step Solution
- Step 1: Write the proportion equation
1,113,341.19 : 1,670,121.14 = 314,628.81 : x - Step 2: Convert to fraction form
1,113,341.19/1,670,121.14 = 314,628.81/x - Step 3: Cross multiply
1,113,341.19x = 1,670,121.14 × 314,628.81 - Step 4: Simplify right side
1,113,341.19x = 525,468,225,260.90 - Step 5: Solve for x
x = 525,468,225,260.90/1,113,341.19 - Step 6: Final answer
x = 471,974.12
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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.