Finding the Fourth Proportional to 1,255,813.13, 1,881,553.14 and 687,603.20
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Solution
The fourth proportional to 1,255,813.13, 1,881,553.14 and 687,603.20 is: 1,030,218.52
Step by Step Solution
- Step 1: Write the proportion equation
1,255,813.13 : 1,881,553.14 = 687,603.20 : x - Step 2: Convert to fraction form
1,255,813.13/1,881,553.14 = 687,603.20/x - Step 3: Cross multiply
1,255,813.13x = 1,881,553.14 × 687,603.20 - Step 4: Simplify right side
1,255,813.13x = 1,293,761,950,626.28 - Step 5: Solve for x
x = 1,293,761,950,626.28/1,255,813.13 - Step 6: Final answer
x = 1,030,218.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.