Finding the Fourth Proportional to 1,219,078.44, 1,827,027.94 and 679,312.08
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Solution
The fourth proportional to 1,219,078.44, 1,827,027.94 and 679,312.08 is: 1,018,082.27
Step by Step Solution
- Step 1: Write the proportion equation
1,219,078.44 : 1,827,027.94 = 679,312.08 : x - Step 2: Convert to fraction form
1,219,078.44/1,827,027.94 = 679,312.08/x - Step 3: Cross multiply
1,219,078.44x = 1,827,027.94 × 679,312.08 - Step 4: Simplify right side
1,219,078.44x = 1,241,122,139,306.10 - Step 5: Solve for x
x = 1,241,122,139,306.10/1,219,078.44 - Step 6: Final answer
x = 1,018,082.27
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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.