Finding the Fourth Proportional to 1,299,235.40, 1,948,854.08 and 352,606.12
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Solution
The fourth proportional to 1,299,235.40, 1,948,854.08 and 352,606.12 is: 528,909.45
Step by Step Solution
- Step 1: Write the proportion equation
1,299,235.40 : 1,948,854.08 = 352,606.12 : x - Step 2: Convert to fraction form
1,299,235.40/1,948,854.08 = 352,606.12/x - Step 3: Cross multiply
1,299,235.40x = 1,948,854.08 × 352,606.12 - Step 4: Simplify right side
1,299,235.40x = 687,177,875,594.97 - Step 5: Solve for x
x = 687,177,875,594.97/1,299,235.40 - Step 6: Final answer
x = 528,909.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.