Finding the Fourth Proportional to 1,272,793.62, 1,909,189.71 and 374,242.80
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Solution
The fourth proportional to 1,272,793.62, 1,909,189.71 and 374,242.80 is: 561,363.99
Step by Step Solution
- Step 1: Write the proportion equation
1,272,793.62 : 1,909,189.71 = 374,242.80 : x - Step 2: Convert to fraction form
1,272,793.62/1,909,189.71 = 374,242.80/x - Step 3: Cross multiply
1,272,793.62x = 1,909,189.71 × 374,242.80 - Step 4: Simplify right side
1,272,793.62x = 714,500,502,801.59 - Step 5: Solve for x
x = 714,500,502,801.59/1,272,793.62 - Step 6: Final answer
x = 561,363.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.