Finding the Fourth Proportional to 1,248,948.72, 1,723,590.96 and 765,420.48
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Solution
The fourth proportional to 1,248,948.72, 1,723,590.96 and 765,420.48 is: 1,056,305.83
Step by Step Solution
- Step 1: Write the proportion equation
1,248,948.72 : 1,723,590.96 = 765,420.48 : x - Step 2: Convert to fraction form
1,248,948.72/1,723,590.96 = 765,420.48/x - Step 3: Cross multiply
1,248,948.72x = 1,723,590.96 × 765,420.48 - Step 4: Simplify right side
1,248,948.72x = 1,319,271,819,926.86 - Step 5: Solve for x
x = 1,319,271,819,926.86/1,248,948.72 - Step 6: Final answer
x = 1,056,305.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.