Finding the Fourth Proportional to 1,249,915.99, 1,724,878.70 and 698,630.92
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Solution
The fourth proportional to 1,249,915.99, 1,724,878.70 and 698,630.92 is: 964,107.67
Step by Step Solution
- Step 1: Write the proportion equation
1,249,915.99 : 1,724,878.70 = 698,630.92 : x - Step 2: Convert to fraction form
1,249,915.99/1,724,878.70 = 698,630.92/x - Step 3: Cross multiply
1,249,915.99x = 1,724,878.70 × 698,630.92 - Step 4: Simplify right side
1,249,915.99x = 1,205,053,593,069.40 - Step 5: Solve for x
x = 1,205,053,593,069.40/1,249,915.99 - Step 6: Final answer
x = 964,107.67
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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.