Finding the Fourth Proportional to 1,312,349.28, 1,967,456.88 and 553,701.12
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Solution
The fourth proportional to 1,312,349.28, 1,967,456.88 and 553,701.12 is: 830,101.48
Step by Step Solution
- Step 1: Write the proportion equation
1,312,349.28 : 1,967,456.88 = 553,701.12 : x - Step 2: Convert to fraction form
1,312,349.28/1,967,456.88 = 553,701.12/x - Step 3: Cross multiply
1,312,349.28x = 1,967,456.88 × 553,701.12 - Step 4: Simplify right side
1,312,349.28x = 1,089,383,078,007.71 - Step 5: Solve for x
x = 1,089,383,078,007.71/1,312,349.28 - Step 6: Final answer
x = 830,101.48
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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.