Finding the Fourth Proportional to 1,326,877.99, 1,990,319.07 and 403,642.01
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Solution
The fourth proportional to 1,326,877.99, 1,990,319.07 and 403,642.01 is: 605,463.65
Step by Step Solution
- Step 1: Write the proportion equation
1,326,877.99 : 1,990,319.07 = 403,642.01 : x - Step 2: Convert to fraction form
1,326,877.99/1,990,319.07 = 403,642.01/x - Step 3: Cross multiply
1,326,877.99x = 1,990,319.07 × 403,642.01 - Step 4: Simplify right side
1,326,877.99x = 803,376,389,956.13 - Step 5: Solve for x
x = 803,376,389,956.13/1,326,877.99 - Step 6: Final answer
x = 605,463.65
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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.