Finding the Fourth Proportional to 1,163,513.60, 1,604,992.70 and 698,248.49
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Solution
The fourth proportional to 1,163,513.60, 1,604,992.70 and 698,248.49 is: 963,189.19
Step by Step Solution
- Step 1: Write the proportion equation
1,163,513.60 : 1,604,992.70 = 698,248.49 : x - Step 2: Convert to fraction form
1,163,513.60/1,604,992.70 = 698,248.49/x - Step 3: Cross multiply
1,163,513.60x = 1,604,992.70 × 698,248.49 - Step 4: Simplify right side
1,163,513.60x = 1,120,683,727,275.26 - Step 5: Solve for x
x = 1,120,683,727,275.26/1,163,513.60 - Step 6: Final answer
x = 963,189.19
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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.