Finding the Fourth Proportional to 1,220,113.94, 1,683,769.68 and 676,261.71
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Solution
The fourth proportional to 1,220,113.94, 1,683,769.68 and 676,261.71 is: 933,248.06
Step by Step Solution
- Step 1: Write the proportion equation
1,220,113.94 : 1,683,769.68 = 676,261.71 : x - Step 2: Convert to fraction form
1,220,113.94/1,683,769.68 = 676,261.71/x - Step 3: Cross multiply
1,220,113.94x = 1,683,769.68 × 676,261.71 - Step 4: Simplify right side
1,220,113.94x = 1,138,668,963,042.95 - Step 5: Solve for x
x = 1,138,668,963,042.95/1,220,113.94 - Step 6: Final answer
x = 933,248.06
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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.