Finding the Fourth Proportional to 1,113,129, 1,669,965.26 and 354,970.49
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Solution
The fourth proportional to 1,113,129, 1,669,965.26 and 354,970.49 is: 532,542.39
Step by Step Solution
- Step 1: Write the proportion equation
1,113,129 : 1,669,965.26 = 354,970.49 : x - Step 2: Convert to fraction form
1,113,129/1,669,965.26 = 354,970.49/x - Step 3: Cross multiply
1,113,129x = 1,669,965.26 × 354,970.49 - Step 4: Simplify right side
1,113,129x = 592,788,376,500.50 - Step 5: Solve for x
x = 592,788,376,500.50/1,113,129 - Step 6: Final answer
x = 532,542.39
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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.