Finding the Fourth Proportional to 1,403,071.74, 1,935,780.12 and 858,639.96
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Solution
The fourth proportional to 1,403,071.74, 1,935,780.12 and 858,639.96 is: 1,184,642.32
Step by Step Solution
- Step 1: Write the proportion equation
1,403,071.74 : 1,935,780.12 = 858,639.96 : x - Step 2: Convert to fraction form
1,403,071.74/1,935,780.12 = 858,639.96/x - Step 3: Cross multiply
1,403,071.74x = 1,935,780.12 × 858,639.96 - Step 4: Simplify right side
1,403,071.74x = 1,662,138,164,805.60 - Step 5: Solve for x
x = 1,662,138,164,805.60/1,403,071.74 - Step 6: Final answer
x = 1,184,642.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.