Finding the Fourth Proportional to 1,115,603.40, 1,539,544.62 and 606,305.80
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Solution
The fourth proportional to 1,115,603.40, 1,539,544.62 and 606,305.80 is: 836,708.49
Step by Step Solution
- Step 1: Write the proportion equation
1,115,603.40 : 1,539,544.62 = 606,305.80 : x - Step 2: Convert to fraction form
1,115,603.40/1,539,544.62 = 606,305.80/x - Step 3: Cross multiply
1,115,603.40x = 1,539,544.62 × 606,305.80 - Step 4: Simplify right side
1,115,603.40x = 933,434,832,464.80 - Step 5: Solve for x
x = 933,434,832,464.80/1,115,603.40 - Step 6: Final answer
x = 836,708.49
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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.