Finding the Fourth Proportional to 1,140,135.42, 1,572,701.35 and 752,954.41
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Solution
The fourth proportional to 1,140,135.42, 1,572,701.35 and 752,954.41 is: 1,038,624.35
Step by Step Solution
- Step 1: Write the proportion equation
1,140,135.42 : 1,572,701.35 = 752,954.41 : x - Step 2: Convert to fraction form
1,140,135.42/1,572,701.35 = 752,954.41/x - Step 3: Cross multiply
1,140,135.42x = 1,572,701.35 × 752,954.41 - Step 4: Simplify right side
1,140,135.42x = 1,184,172,405,467.17 - Step 5: Solve for x
x = 1,184,172,405,467.17/1,140,135.42 - Step 6: Final answer
x = 1,038,624.35
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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.