Finding the Fourth Proportional to 1,402,376.44, 2,102,844.14 and 643,564.68
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Solution
The fourth proportional to 1,402,376.44, 2,102,844.14 and 643,564.68 is: 965,016.37
Step by Step Solution
- Step 1: Write the proportion equation
1,402,376.44 : 2,102,844.14 = 643,564.68 : x - Step 2: Convert to fraction form
1,402,376.44/2,102,844.14 = 643,564.68/x - Step 3: Cross multiply
1,402,376.44x = 2,102,844.14 × 643,564.68 - Step 4: Simplify right side
1,402,376.44x = 1,353,316,216,048.98 - Step 5: Solve for x
x = 1,353,316,216,048.98/1,402,376.44 - Step 6: Final answer
x = 965,016.37
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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.