Finding the Fourth Proportional to 1,375,035.12, 1,897,534 and 763,193.12
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Solution
The fourth proportional to 1,375,035.12, 1,897,534 and 763,193.12 is: 1,053,198.48
Step by Step Solution
- Step 1: Write the proportion equation
1,375,035.12 : 1,897,534 = 763,193.12 : x - Step 2: Convert to fraction form
1,375,035.12/1,897,534 = 763,193.12/x - Step 3: Cross multiply
1,375,035.12x = 1,897,534 × 763,193.12 - Step 4: Simplify right side
1,375,035.12x = 1,448,184,893,766.08 - Step 5: Solve for x
x = 1,448,184,893,766.08/1,375,035.12 - Step 6: Final answer
x = 1,053,198.48
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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.