Finding the Fourth Proportional to 1,125,659.13, 1,688,663.63 and 377,880.09
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Solution
The fourth proportional to 1,125,659.13, 1,688,663.63 and 377,880.09 is: 566,878.86
Step by Step Solution
- Step 1: Write the proportion equation
1,125,659.13 : 1,688,663.63 = 377,880.09 : x - Step 2: Convert to fraction form
1,125,659.13/1,688,663.63 = 377,880.09/x - Step 3: Cross multiply
1,125,659.13x = 1,688,663.63 × 377,880.09 - Step 4: Simplify right side
1,125,659.13x = 638,112,359,096.34 - Step 5: Solve for x
x = 638,112,359,096.34/1,125,659.13 - Step 6: Final answer
x = 566,878.86
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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.