Finding the Fourth Proportional to 1,267,320.96, 1,748,836.08 and 723,435.12
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Solution
The fourth proportional to 1,267,320.96, 1,748,836.08 and 723,435.12 is: 998,302.31
Step by Step Solution
- Step 1: Write the proportion equation
1,267,320.96 : 1,748,836.08 = 723,435.12 : x - Step 2: Convert to fraction form
1,267,320.96/1,748,836.08 = 723,435.12/x - Step 3: Cross multiply
1,267,320.96x = 1,748,836.08 × 723,435.12 - Step 4: Simplify right side
1,267,320.96x = 1,265,169,439,395.13 - Step 5: Solve for x
x = 1,265,169,439,395.13/1,267,320.96 - Step 6: Final answer
x = 998,302.31
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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.