Finding the Fourth Proportional to 1,209,258.98, 1,668,727.35 and 657,976.95
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Solution
The fourth proportional to 1,209,258.98, 1,668,727.35 and 657,976.95 is: 907,980.96
Step by Step Solution
- Step 1: Write the proportion equation
1,209,258.98 : 1,668,727.35 = 657,976.95 : x - Step 2: Convert to fraction form
1,209,258.98/1,668,727.35 = 657,976.95/x - Step 3: Cross multiply
1,209,258.98x = 1,668,727.35 × 657,976.95 - Step 4: Simplify right side
1,209,258.98x = 1,097,984,132,134.58 - Step 5: Solve for x
x = 1,097,984,132,134.58/1,209,258.98 - Step 6: Final answer
x = 907,980.96
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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.