Finding the Fourth Proportional to 1,424,837.98, 1,966,320.93 and 780,319.36
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Solution
The fourth proportional to 1,424,837.98, 1,966,320.93 and 780,319.36 is: 1,076,865.10
Step by Step Solution
- Step 1: Write the proportion equation
1,424,837.98 : 1,966,320.93 = 780,319.36 : x - Step 2: Convert to fraction form
1,424,837.98/1,966,320.93 = 780,319.36/x - Step 3: Cross multiply
1,424,837.98x = 1,966,320.93 × 780,319.36 - Step 4: Simplify right side
1,424,837.98x = 1,534,358,289,652.20 - Step 5: Solve for x
x = 1,534,358,289,652.20/1,424,837.98 - Step 6: Final answer
x = 1,076,865.10
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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.