Finding the Fourth Proportional to 1,299,214.35, 1,792,927.50 and 718,476.87
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Solution
The fourth proportional to 1,299,214.35, 1,792,927.50 and 718,476.87 is: 991,504.55
Step by Step Solution
- Step 1: Write the proportion equation
1,299,214.35 : 1,792,927.50 = 718,476.87 : x - Step 2: Convert to fraction form
1,299,214.35/1,792,927.50 = 718,476.87/x - Step 3: Cross multiply
1,299,214.35x = 1,792,927.50 × 718,476.87 - Step 4: Simplify right side
1,299,214.35x = 1,288,176,941,681.21 - Step 5: Solve for x
x = 1,288,176,941,681.21/1,299,214.35 - Step 6: Final answer
x = 991,504.55
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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.