Finding the Fourth Proportional to 1,154,490.44, 1,593,267.56 and 645,233.48
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Solution
The fourth proportional to 1,154,490.44, 1,593,267.56 and 645,233.48 is: 890,461.75
Step by Step Solution
- Step 1: Write the proportion equation
1,154,490.44 : 1,593,267.56 = 645,233.48 : x - Step 2: Convert to fraction form
1,154,490.44/1,593,267.56 = 645,233.48/x - Step 3: Cross multiply
1,154,490.44x = 1,593,267.56 × 645,233.48 - Step 4: Simplify right side
1,154,490.44x = 1,028,029,572,309.91 - Step 5: Solve for x
x = 1,028,029,572,309.91/1,154,490.44 - Step 6: Final answer
x = 890,461.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.