Finding the Fourth Proportional to 1,281,502.81, 1,768,319.26 and 708,465.07
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Solution
The fourth proportional to 1,281,502.81, 1,768,319.26 and 708,465.07 is: 977,596.32
Step by Step Solution
- Step 1: Write the proportion equation
1,281,502.81 : 1,768,319.26 = 708,465.07 : x - Step 2: Convert to fraction form
1,281,502.81/1,768,319.26 = 708,465.07/x - Step 3: Cross multiply
1,281,502.81x = 1,768,319.26 × 708,465.07 - Step 4: Simplify right side
1,281,502.81x = 1,252,792,428,318.25 - Step 5: Solve for x
x = 1,252,792,428,318.25/1,281,502.81 - Step 6: Final answer
x = 977,596.32
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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.