Finding the Fourth Proportional to 1,121,275.62, 1,681,854.62 and 322,525.80
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Solution
The fourth proportional to 1,121,275.62, 1,681,854.62 and 322,525.80 is: 483,771.78
Step by Step Solution
- Step 1: Write the proportion equation
1,121,275.62 : 1,681,854.62 = 322,525.80 : x - Step 2: Convert to fraction form
1,121,275.62/1,681,854.62 = 322,525.80/x - Step 3: Cross multiply
1,121,275.62x = 1,681,854.62 × 322,525.80 - Step 4: Simplify right side
1,121,275.62x = 542,441,506,799.20 - Step 5: Solve for x
x = 542,441,506,799.20/1,121,275.62 - Step 6: Final answer
x = 483,771.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.