Finding the Fourth Proportional to 1,257,459.84, 1,735,336.40 and 706,272.48
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Solution
The fourth proportional to 1,257,459.84, 1,735,336.40 and 706,272.48 is: 974,679.51
Step by Step Solution
- Step 1: Write the proportion equation
1,257,459.84 : 1,735,336.40 = 706,272.48 : x - Step 2: Convert to fraction form
1,257,459.84/1,735,336.40 = 706,272.48/x - Step 3: Cross multiply
1,257,459.84x = 1,735,336.40 × 706,272.48 - Step 4: Simplify right side
1,257,459.84x = 1,225,620,342,862.27 - Step 5: Solve for x
x = 1,225,620,342,862.27/1,257,459.84 - Step 6: Final answer
x = 974,679.51
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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.