Finding the Fourth Proportional to 1,219,088.58, 1,828,753.14 and 420,264.96
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Solution
The fourth proportional to 1,219,088.58, 1,828,753.14 and 420,264.96 is: 630,438.90
Step by Step Solution
- Step 1: Write the proportion equation
1,219,088.58 : 1,828,753.14 = 420,264.96 : x - Step 2: Convert to fraction form
1,219,088.58/1,828,753.14 = 420,264.96/x - Step 3: Cross multiply
1,219,088.58x = 1,828,753.14 × 420,264.96 - Step 4: Simplify right side
1,219,088.58x = 768,560,865,231.97 - Step 5: Solve for x
x = 768,560,865,231.97/1,219,088.58 - Step 6: Final answer
x = 630,438.90
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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.