Finding the Fourth Proportional to 1,375,612.04, 1,898,403.90 and 763,764.88
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Solution
The fourth proportional to 1,375,612.04, 1,898,403.90 and 763,764.88 is: 1,054,028.45
Step by Step Solution
- Step 1: Write the proportion equation
1,375,612.04 : 1,898,403.90 = 763,764.88 : x - Step 2: Convert to fraction form
1,375,612.04/1,898,403.90 = 763,764.88/x - Step 3: Cross multiply
1,375,612.04x = 1,898,403.90 × 763,764.88 - Step 4: Simplify right side
1,375,612.04x = 1,449,934,226,875.03 - Step 5: Solve for x
x = 1,449,934,226,875.03/1,375,612.04 - Step 6: Final answer
x = 1,054,028.45
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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.