Finding the Fourth Proportional to 1,224,779.13, 1,833,237.99 and 654,735.15
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Solution
The fourth proportional to 1,224,779.13, 1,833,237.99 and 654,735.15 is: 980,001.47
Step by Step Solution
- Step 1: Write the proportion equation
1,224,779.13 : 1,833,237.99 = 654,735.15 : x - Step 2: Convert to fraction form
1,224,779.13/1,833,237.99 = 654,735.15/x - Step 3: Cross multiply
1,224,779.13x = 1,833,237.99 × 654,735.15 - Step 4: Simplify right side
1,224,779.13x = 1,200,285,350,368.35 - Step 5: Solve for x
x = 1,200,285,350,368.35/1,224,779.13 - Step 6: Final answer
x = 980,001.47
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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.