Finding the Fourth Proportional to 1,161,987.90, 1,603,692.99 and 652,690.14
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Solution
The fourth proportional to 1,161,987.90, 1,603,692.99 and 652,690.14 is: 900,796.47
Step by Step Solution
- Step 1: Write the proportion equation
1,161,987.90 : 1,603,692.99 = 652,690.14 : x - Step 2: Convert to fraction form
1,161,987.90/1,603,692.99 = 652,690.14/x - Step 3: Cross multiply
1,161,987.90x = 1,603,692.99 × 652,690.14 - Step 4: Simplify right side
1,161,987.90x = 1,046,714,602,160.12 - Step 5: Solve for x
x = 1,046,714,602,160.12/1,161,987.90 - Step 6: Final answer
x = 900,796.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.