Finding the Fourth Proportional to 1,248,756.80, 1,723,617.42 and 705,210.75
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Solution
The fourth proportional to 1,248,756.80, 1,723,617.42 and 705,210.75 is: 973,378.91
Step by Step Solution
- Step 1: Write the proportion equation
1,248,756.80 : 1,723,617.42 = 705,210.75 : x - Step 2: Convert to fraction form
1,248,756.80/1,723,617.42 = 705,210.75/x - Step 3: Cross multiply
1,248,756.80x = 1,723,617.42 × 705,210.75 - Step 4: Simplify right side
1,248,756.80x = 1,215,513,533,471.26 - Step 5: Solve for x
x = 1,215,513,533,471.26/1,248,756.80 - Step 6: Final answer
x = 973,378.91
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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.