Finding the Fourth Proportional to 1,110,463.68, 1,666,359.12 and 1,020,118.71
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Solution
The fourth proportional to 1,110,463.68, 1,666,359.12 and 1,020,118.71 is: 1,530,787.68
Step by Step Solution
- Step 1: Write the proportion equation
1,110,463.68 : 1,666,359.12 = 1,020,118.71 : x - Step 2: Convert to fraction form
1,110,463.68/1,666,359.12 = 1,020,118.71/x - Step 3: Cross multiply
1,110,463.68x = 1,666,359.12 × 1,020,118.71 - Step 4: Simplify right side
1,110,463.68x = 1,699,884,115,891.14 - Step 5: Solve for x
x = 1,699,884,115,891.14/1,110,463.68 - Step 6: Final answer
x = 1,530,787.68
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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.