Finding the Fourth Proportional to 1,013,991.21, 1,399,307.75 and 555,104.35
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Solution
The fourth proportional to 1,013,991.21, 1,399,307.75 and 555,104.35 is: 766,043.94
Step by Step Solution
- Step 1: Write the proportion equation
1,013,991.21 : 1,399,307.75 = 555,104.35 : x - Step 2: Convert to fraction form
1,013,991.21/1,399,307.75 = 555,104.35/x - Step 3: Cross multiply
1,013,991.21x = 1,399,307.75 × 555,104.35 - Step 4: Simplify right side
1,013,991.21x = 776,761,820,068.97 - Step 5: Solve for x
x = 776,761,820,068.97/1,013,991.21 - Step 6: Final answer
x = 766,043.94
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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.