Finding the Fourth Proportional to 1,128,260.08, 1,690,798.76 and 623,048.50
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Solution
The fourth proportional to 1,128,260.08, 1,690,798.76 and 623,048.50 is: 933,693.96
Step by Step Solution
- Step 1: Write the proportion equation
1,128,260.08 : 1,690,798.76 = 623,048.50 : x - Step 2: Convert to fraction form
1,128,260.08/1,690,798.76 = 623,048.50/x - Step 3: Cross multiply
1,128,260.08x = 1,690,798.76 × 623,048.50 - Step 4: Simplify right side
1,128,260.08x = 1,053,449,619,650.62 - Step 5: Solve for x
x = 1,053,449,619,650.62/1,128,260.08 - Step 6: Final answer
x = 933,693.96
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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.