Finding the Fourth Proportional to 1,372,572.68, 1,894,220.10 and 791,579.79
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Solution
The fourth proportional to 1,372,572.68, 1,894,220.10 and 791,579.79 is: 1,092,420.37
Step by Step Solution
- Step 1: Write the proportion equation
1,372,572.68 : 1,894,220.10 = 791,579.79 : x - Step 2: Convert to fraction form
1,372,572.68/1,894,220.10 = 791,579.79/x - Step 3: Cross multiply
1,372,572.68x = 1,894,220.10 × 791,579.79 - Step 4: Simplify right side
1,372,572.68x = 1,499,426,348,971.78 - Step 5: Solve for x
x = 1,499,426,348,971.78/1,372,572.68 - Step 6: Final answer
x = 1,092,420.37
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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.