Finding the Fourth Proportional to 1,153,338.60, 1,730,378.07 and 554,343.19
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Solution
The fourth proportional to 1,153,338.60, 1,730,378.07 and 554,343.19 is: 831,692.71
Step by Step Solution
- Step 1: Write the proportion equation
1,153,338.60 : 1,730,378.07 = 554,343.19 : x - Step 2: Convert to fraction form
1,153,338.60/1,730,378.07 = 554,343.19/x - Step 3: Cross multiply
1,153,338.60x = 1,730,378.07 × 554,343.19 - Step 4: Simplify right side
1,153,338.60x = 959,223,299,314.03 - Step 5: Solve for x
x = 959,223,299,314.03/1,153,338.60 - Step 6: Final answer
x = 831,692.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.