Finding the Fourth Proportional to 1,208,875.10, 1,668,214.17 and 657,572.49
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Solution
The fourth proportional to 1,208,875.10, 1,668,214.17 and 657,572.49 is: 907,431.83
Step by Step Solution
- Step 1: Write the proportion equation
1,208,875.10 : 1,668,214.17 = 657,572.49 : x - Step 2: Convert to fraction form
1,208,875.10/1,668,214.17 = 657,572.49/x - Step 3: Cross multiply
1,208,875.10x = 1,668,214.17 × 657,572.49 - Step 4: Simplify right side
1,208,875.10x = 1,096,971,745,620.18 - Step 5: Solve for x
x = 1,096,971,745,620.18/1,208,875.10 - Step 6: Final answer
x = 907,431.83
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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.