Finding the Fourth Proportional to 1,332,257.23, 1,838,403.23 and 788,297.70
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Solution
The fourth proportional to 1,332,257.23, 1,838,403.23 and 788,297.70 is: 1,087,784.70
Step by Step Solution
- Step 1: Write the proportion equation
1,332,257.23 : 1,838,403.23 = 788,297.70 : x - Step 2: Convert to fraction form
1,332,257.23/1,838,403.23 = 788,297.70/x - Step 3: Cross multiply
1,332,257.23x = 1,838,403.23 × 788,297.70 - Step 4: Simplify right side
1,332,257.23x = 1,449,209,037,881.57 - Step 5: Solve for x
x = 1,449,209,037,881.57/1,332,257.23 - Step 6: Final answer
x = 1,087,784.70
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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.