Finding the Fourth Proportional to 1,119,770.16, 1,545,312.24 and 690,334.08
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Solution
The fourth proportional to 1,119,770.16, 1,545,312.24 and 690,334.08 is: 952,679.17
Step by Step Solution
- Step 1: Write the proportion equation
1,119,770.16 : 1,545,312.24 = 690,334.08 : x - Step 2: Convert to fraction form
1,119,770.16/1,545,312.24 = 690,334.08/x - Step 3: Cross multiply
1,119,770.16x = 1,545,312.24 × 690,334.08 - Step 4: Simplify right side
1,119,770.16x = 1,066,781,703,513.14 - Step 5: Solve for x
x = 1,066,781,703,513.14/1,119,770.16 - Step 6: Final answer
x = 952,679.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.