Finding the Fourth Proportional to 1,458,459.20, 2,187,032.70 and 559,602.20
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Solution
The fourth proportional to 1,458,459.20, 2,187,032.70 and 559,602.20 is: 839,151.56
Step by Step Solution
- Step 1: Write the proportion equation
1,458,459.20 : 2,187,032.70 = 559,602.20 : x - Step 2: Convert to fraction form
1,458,459.20/2,187,032.70 = 559,602.20/x - Step 3: Cross multiply
1,458,459.20x = 2,187,032.70 × 559,602.20 - Step 4: Simplify right side
1,458,459.20x = 1,223,868,310,391.94 - Step 5: Solve for x
x = 1,223,868,310,391.94/1,458,459.20 - Step 6: Final answer
x = 839,151.56
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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.