Finding the Fourth Proportional to 1,406,623.23, 1,941,129.30 and 762,038.79
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Solution
The fourth proportional to 1,406,623.23, 1,941,129.30 and 762,038.79 is: 1,051,607.70
Step by Step Solution
- Step 1: Write the proportion equation
1,406,623.23 : 1,941,129.30 = 762,038.79 : x - Step 2: Convert to fraction form
1,406,623.23/1,941,129.30 = 762,038.79/x - Step 3: Cross multiply
1,406,623.23x = 1,941,129.30 × 762,038.79 - Step 4: Simplify right side
1,406,623.23x = 1,479,215,823,005.55 - Step 5: Solve for x
x = 1,479,215,823,005.55/1,406,623.23 - Step 6: Final answer
x = 1,051,607.70
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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.