Finding the Fourth Proportional to 1,145,585.04, 1,580,863.14 and 636,319.68
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Solution
The fourth proportional to 1,145,585.04, 1,580,863.14 and 636,319.68 is: 878,096.60
Step by Step Solution
- Step 1: Write the proportion equation
1,145,585.04 : 1,580,863.14 = 636,319.68 : x - Step 2: Convert to fraction form
1,145,585.04/1,580,863.14 = 636,319.68/x - Step 3: Cross multiply
1,145,585.04x = 1,580,863.14 × 636,319.68 - Step 4: Simplify right side
1,145,585.04x = 1,005,934,327,368.60 - Step 5: Solve for x
x = 1,005,934,327,368.60/1,145,585.04 - Step 6: Final answer
x = 878,096.60
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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.