Finding the Fourth Proportional to 1,142,368.40, 1,577,185.14 and 735,177.84
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Solution
The fourth proportional to 1,142,368.40, 1,577,185.14 and 735,177.84 is: 1,015,006.69
Step by Step Solution
- Step 1: Write the proportion equation
1,142,368.40 : 1,577,185.14 = 735,177.84 : x - Step 2: Convert to fraction form
1,142,368.40/1,577,185.14 = 735,177.84/x - Step 3: Cross multiply
1,142,368.40x = 1,577,185.14 × 735,177.84 - Step 4: Simplify right side
1,142,368.40x = 1,159,511,564,505.30 - Step 5: Solve for x
x = 1,159,511,564,505.30/1,142,368.40 - Step 6: Final answer
x = 1,015,006.69
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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.