Finding the Fourth Proportional to 1,578,920.08, 2,178,778.08 and 890,554
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Solution
The fourth proportional to 1,578,920.08, 2,178,778.08 and 890,554 is: 1,228,890.28
Step by Step Solution
- Step 1: Write the proportion equation
1,578,920.08 : 2,178,778.08 = 890,554 : x - Step 2: Convert to fraction form
1,578,920.08/2,178,778.08 = 890,554/x - Step 3: Cross multiply
1,578,920.08x = 2,178,778.08 × 890,554 - Step 4: Simplify right side
1,578,920.08x = 1,940,319,534,256.32 - Step 5: Solve for x
x = 1,940,319,534,256.32/1,578,920.08 - Step 6: Final answer
x = 1,228,890.28
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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.