Finding the Fourth Proportional to 1,259,021.33, 1,888,347.55 and 619,153.08
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Solution
The fourth proportional to 1,259,021.33, 1,888,347.55 and 619,153.08 is: 928,638.92
Step by Step Solution
- Step 1: Write the proportion equation
1,259,021.33 : 1,888,347.55 = 619,153.08 : x - Step 2: Convert to fraction form
1,259,021.33/1,888,347.55 = 619,153.08/x - Step 3: Cross multiply
1,259,021.33x = 1,888,347.55 × 619,153.08 - Step 4: Simplify right side
1,259,021.33x = 1,169,176,210,135.98 - Step 5: Solve for x
x = 1,169,176,210,135.98/1,259,021.33 - Step 6: Final answer
x = 928,638.92
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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.