Finding the Fourth Proportional to 1,038,811.29, 1,558,710.45 and 719,454.66
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Solution
The fourth proportional to 1,038,811.29, 1,558,710.45 and 719,454.66 is: 1,079,523.79
Step by Step Solution
- Step 1: Write the proportion equation
1,038,811.29 : 1,558,710.45 = 719,454.66 : x - Step 2: Convert to fraction form
1,038,811.29/1,558,710.45 = 719,454.66/x - Step 3: Cross multiply
1,038,811.29x = 1,558,710.45 × 719,454.66 - Step 4: Simplify right side
1,038,811.29x = 1,121,421,496,843.20 - Step 5: Solve for x
x = 1,121,421,496,843.20/1,038,811.29 - Step 6: Final answer
x = 1,079,523.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.