Finding the Fourth Proportional to 1,247,800.74, 1,721,966.16 and 674,840.91
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Solution
The fourth proportional to 1,247,800.74, 1,721,966.16 and 674,840.91 is: 931,281.07
Step by Step Solution
- Step 1: Write the proportion equation
1,247,800.74 : 1,721,966.16 = 674,840.91 : x - Step 2: Convert to fraction form
1,247,800.74/1,721,966.16 = 674,840.91/x - Step 3: Cross multiply
1,247,800.74x = 1,721,966.16 × 674,840.91 - Step 4: Simplify right side
1,247,800.74x = 1,162,053,216,860.98 - Step 5: Solve for x
x = 1,162,053,216,860.98/1,247,800.74 - Step 6: Final answer
x = 931,281.07
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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.