Finding the Fourth Proportional to 1,128,259.58, 1,690,798.01 and 623,048.00
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Solution
The fourth proportional to 1,128,259.58, 1,690,798.01 and 623,048.00 is: 933,693.21
Step by Step Solution
- Step 1: Write the proportion equation
1,128,259.58 : 1,690,798.01 = 623,048.00 : x - Step 2: Convert to fraction form
1,128,259.58/1,690,798.01 = 623,048.00/x - Step 3: Cross multiply
1,128,259.58x = 1,690,798.01 × 623,048.00 - Step 4: Simplify right side
1,128,259.58x = 1,053,448,306,965.25 - Step 5: Solve for x
x = 1,053,448,306,965.25/1,128,259.58 - Step 6: Final answer
x = 933,693.21
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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.