Finding the Fourth Proportional to 1,232,276.69, 1,698,119.24 and 942,216.71
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Solution
The fourth proportional to 1,232,276.69, 1,698,119.24 and 942,216.71 is: 1,298,406.70
Step by Step Solution
- Step 1: Write the proportion equation
1,232,276.69 : 1,698,119.24 = 942,216.71 : x - Step 2: Convert to fraction form
1,232,276.69/1,698,119.24 = 942,216.71/x - Step 3: Cross multiply
1,232,276.69x = 1,698,119.24 × 942,216.71 - Step 4: Simplify right side
1,232,276.69x = 1,599,996,310,298.82 - Step 5: Solve for x
x = 1,599,996,310,298.82/1,232,276.69 - Step 6: Final answer
x = 1,298,406.70
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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.