Finding the Fourth Proportional to 1,248,931.96, 1,723,567.82 and 765,403.67
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Solution
The fourth proportional to 1,248,931.96, 1,723,567.82 and 765,403.67 is: 1,056,282.63
Step by Step Solution
- Step 1: Write the proportion equation
1,248,931.96 : 1,723,567.82 = 765,403.67 : x - Step 2: Convert to fraction form
1,248,931.96/1,723,567.82 = 765,403.67/x - Step 3: Cross multiply
1,248,931.96x = 1,723,567.82 × 765,403.67 - Step 4: Simplify right side
1,248,931.96x = 1,319,225,134,921.90 - Step 5: Solve for x
x = 1,319,225,134,921.90/1,248,931.96 - Step 6: Final answer
x = 1,056,282.63
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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.