Finding the Fourth Proportional to 1,372,599.68, 1,894,257.36 and 791,606.79
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Solution
The fourth proportional to 1,372,599.68, 1,894,257.36 and 791,606.79 is: 1,092,457.63
Step by Step Solution
- Step 1: Write the proportion equation
1,372,599.68 : 1,894,257.36 = 791,606.79 : x - Step 2: Convert to fraction form
1,372,599.68/1,894,257.36 = 791,606.79/x - Step 3: Cross multiply
1,372,599.68x = 1,894,257.36 × 791,606.79 - Step 4: Simplify right side
1,372,599.68x = 1,499,506,988,183.47 - Step 5: Solve for x
x = 1,499,506,988,183.47/1,372,599.68 - Step 6: Final answer
x = 1,092,457.63
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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.