Finding the Fourth Proportional to 1,265,763.08, 1,746,746.69 and 684,985.79
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Solution
The fourth proportional to 1,265,763.08, 1,746,746.69 and 684,985.79 is: 945,276.95
Step by Step Solution
- Step 1: Write the proportion equation
1,265,763.08 : 1,746,746.69 = 684,985.79 : x - Step 2: Convert to fraction form
1,265,763.08/1,746,746.69 = 684,985.79/x - Step 3: Cross multiply
1,265,763.08x = 1,746,746.69 × 684,985.79 - Step 4: Simplify right side
1,265,763.08x = 1,196,496,657,954.61 - Step 5: Solve for x
x = 1,196,496,657,954.61/1,265,763.08 - Step 6: Final answer
x = 945,276.95
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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.