Finding the Fourth Proportional to 1,257,259.84, 1,735,793.76 and 865,461.76
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Solution
The fourth proportional to 1,257,259.84, 1,735,793.76 and 865,461.76 is: 1,194,870.84
Step by Step Solution
- Step 1: Write the proportion equation
1,257,259.84 : 1,735,793.76 = 865,461.76 : x - Step 2: Convert to fraction form
1,257,259.84/1,735,793.76 = 865,461.76/x - Step 3: Cross multiply
1,257,259.84x = 1,735,793.76 × 865,461.76 - Step 4: Simplify right side
1,257,259.84x = 1,502,263,122,526.62 - Step 5: Solve for x
x = 1,502,263,122,526.62/1,257,259.84 - Step 6: Final answer
x = 1,194,870.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.