Finding the Fourth Proportional to 1,281,480.03, 1,921,628.36 and 471,661.02
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Solution
The fourth proportional to 1,281,480.03, 1,921,628.36 and 471,661.02 is: 707,273.75
Step by Step Solution
- Step 1: Write the proportion equation
1,281,480.03 : 1,921,628.36 = 471,661.02 : x - Step 2: Convert to fraction form
1,281,480.03/1,921,628.36 = 471,661.02/x - Step 3: Cross multiply
1,281,480.03x = 1,921,628.36 × 471,661.02 - Step 4: Simplify right side
1,281,480.03x = 906,357,189,980.22 - Step 5: Solve for x
x = 906,357,189,980.22/1,281,480.03 - Step 6: Final answer
x = 707,273.75
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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.