Finding the Fourth Proportional to 1,282,781.58, 1,920,338.96 and 775,809.02
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Solution
The fourth proportional to 1,282,781.58, 1,920,338.96 and 775,809.02 is: 1,161,395.14
Step by Step Solution
- Step 1: Write the proportion equation
1,282,781.58 : 1,920,338.96 = 775,809.02 : x - Step 2: Convert to fraction form
1,282,781.58/1,920,338.96 = 775,809.02/x - Step 3: Cross multiply
1,282,781.58x = 1,920,338.96 × 775,809.02 - Step 4: Simplify right side
1,282,781.58x = 1,489,816,287,547.22 - Step 5: Solve for x
x = 1,489,816,287,547.22/1,282,781.58 - Step 6: Final answer
x = 1,161,395.14
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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.