Finding the Fourth Proportional to 1,496,454.75, 2,065,158.59 and 817,434.99
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Solution
The fourth proportional to 1,496,454.75, 2,065,158.59 and 817,434.99 is: 1,128,088.16
Step by Step Solution
- Step 1: Write the proportion equation
1,496,454.75 : 2,065,158.59 = 817,434.99 : x - Step 2: Convert to fraction form
1,496,454.75/2,065,158.59 = 817,434.99/x - Step 3: Cross multiply
1,496,454.75x = 2,065,158.59 × 817,434.99 - Step 4: Simplify right side
1,496,454.75x = 1,688,132,887,277.89 - Step 5: Solve for x
x = 1,688,132,887,277.89/1,496,454.75 - Step 6: Final answer
x = 1,128,088.16
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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.