Finding the Fourth Proportional to 1,142,168.06, 1,712,046.47 and 383,289.99
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Solution
The fourth proportional to 1,142,168.06, 1,712,046.47 and 383,289.99 is: 574,530.40
Step by Step Solution
- Step 1: Write the proportion equation
1,142,168.06 : 1,712,046.47 = 383,289.99 : x - Step 2: Convert to fraction form
1,142,168.06/1,712,046.47 = 383,289.99/x - Step 3: Cross multiply
1,142,168.06x = 1,712,046.47 × 383,289.99 - Step 4: Simplify right side
1,142,168.06x = 656,210,272,449.39 - Step 5: Solve for x
x = 656,210,272,449.39/1,142,168.06 - Step 6: Final answer
x = 574,530.40
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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.