Finding the Fourth Proportional to 1,369,455.14, 1,889,508.53 and 885,437.87
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Solution
The fourth proportional to 1,369,455.14, 1,889,508.53 and 885,437.87 is: 1,221,684.70
Step by Step Solution
- Step 1: Write the proportion equation
1,369,455.14 : 1,889,508.53 = 885,437.87 : x - Step 2: Convert to fraction form
1,369,455.14/1,889,508.53 = 885,437.87/x - Step 3: Cross multiply
1,369,455.14x = 1,889,508.53 × 885,437.87 - Step 4: Simplify right side
1,369,455.14x = 1,673,042,400,916.08 - Step 5: Solve for x
x = 1,673,042,400,916.08/1,369,455.14 - Step 6: Final answer
x = 1,221,684.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.