Finding the Fourth Proportional to 1,000,266.36, 1,380,376.80 and 592,391.40
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Solution
The fourth proportional to 1,000,266.36, 1,380,376.80 and 592,391.40 is: 817,505.59
Step by Step Solution
- Step 1: Write the proportion equation
1,000,266.36 : 1,380,376.80 = 592,391.40 : x - Step 2: Convert to fraction form
1,000,266.36/1,380,376.80 = 592,391.40/x - Step 3: Cross multiply
1,000,266.36x = 1,380,376.80 × 592,391.40 - Step 4: Simplify right side
1,000,266.36x = 817,723,345,079.52 - Step 5: Solve for x
x = 817,723,345,079.52/1,000,266.36 - Step 6: Final answer
x = 817,505.59
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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.