Finding the Fourth Proportional to 1,124,830.71, 1,687,237.93 and 450,902.21
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Solution
The fourth proportional to 1,124,830.71, 1,687,237.93 and 450,902.21 is: 676,350.04
Step by Step Solution
- Step 1: Write the proportion equation
1,124,830.71 : 1,687,237.93 = 450,902.21 : x - Step 2: Convert to fraction form
1,124,830.71/1,687,237.93 = 450,902.21/x - Step 3: Cross multiply
1,124,830.71x = 1,687,237.93 × 450,902.21 - Step 4: Simplify right side
1,124,830.71x = 760,779,300,742.13 - Step 5: Solve for x
x = 760,779,300,742.13/1,124,830.71 - Step 6: Final answer
x = 676,350.04
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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.