Finding the Fourth Proportional to 1,087,068.95, 1,497,686.64 and 841,208.21
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Solution
The fourth proportional to 1,087,068.95, 1,497,686.64 and 841,208.21 is: 1,158,957.12
Step by Step Solution
- Step 1: Write the proportion equation
1,087,068.95 : 1,497,686.64 = 841,208.21 : x - Step 2: Convert to fraction form
1,087,068.95/1,497,686.64 = 841,208.21/x - Step 3: Cross multiply
1,087,068.95x = 1,497,686.64 × 841,208.21 - Step 4: Simplify right side
1,087,068.95x = 1,259,866,297,575.31 - Step 5: Solve for x
x = 1,259,866,297,575.31/1,087,068.95 - Step 6: Final answer
x = 1,158,957.12
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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.