Finding the Fourth Proportional to 1,119,113.90, 1,677,257.49 and 478,656.41
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Solution
The fourth proportional to 1,119,113.90, 1,677,257.49 and 478,656.41 is: 717,380.11
Step by Step Solution
- Step 1: Write the proportion equation
1,119,113.90 : 1,677,257.49 = 478,656.41 : x - Step 2: Convert to fraction form
1,119,113.90/1,677,257.49 = 478,656.41/x - Step 3: Cross multiply
1,119,113.90x = 1,677,257.49 × 478,656.41 - Step 4: Simplify right side
1,119,113.90x = 802,830,053,002.16 - Step 5: Solve for x
x = 802,830,053,002.16/1,119,113.90 - Step 6: Final answer
x = 717,380.11
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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.