Finding the Fourth Proportional to 1,423,130.31, 2,134,256.18 and 748,845.41
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Solution
The fourth proportional to 1,423,130.31, 2,134,256.18 and 748,845.41 is: 1,123,036.95
Step by Step Solution
- Step 1: Write the proportion equation
1,423,130.31 : 2,134,256.18 = 748,845.41 : x - Step 2: Convert to fraction form
1,423,130.31/2,134,256.18 = 748,845.41/x - Step 3: Cross multiply
1,423,130.31x = 2,134,256.18 × 748,845.41 - Step 4: Simplify right side
1,423,130.31x = 1,598,227,929,741.63 - Step 5: Solve for x
x = 1,598,227,929,741.63/1,423,130.31 - Step 6: Final answer
x = 1,123,036.95
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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.