Finding the Fourth Proportional to 1,575,132.93, 2,363,960.57 and 817,191.63
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Solution
The fourth proportional to 1,575,132.93, 2,363,960.57 and 817,191.63 is: 1,226,441.75
Step by Step Solution
- Step 1: Write the proportion equation
1,575,132.93 : 2,363,960.57 = 817,191.63 : x - Step 2: Convert to fraction form
1,575,132.93/2,363,960.57 = 817,191.63/x - Step 3: Cross multiply
1,575,132.93x = 2,363,960.57 × 817,191.63 - Step 4: Simplify right side
1,575,132.93x = 1,931,808,787,368.07 - Step 5: Solve for x
x = 1,931,808,787,368.07/1,575,132.93 - Step 6: Final answer
x = 1,226,441.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.