Finding the Fourth Proportional to 1,125,275.06, 1,687,368.27 and 415,637.30
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Solution
The fourth proportional to 1,125,275.06, 1,687,368.27 and 415,637.30 is: 623,254.90
Step by Step Solution
- Step 1: Write the proportion equation
1,125,275.06 : 1,687,368.27 = 415,637.30 : x - Step 2: Convert to fraction form
1,125,275.06/1,687,368.27 = 415,637.30/x - Step 3: Cross multiply
1,125,275.06x = 1,687,368.27 × 415,637.30 - Step 4: Simplify right side
1,125,275.06x = 701,333,191,848.47 - Step 5: Solve for x
x = 701,333,191,848.47/1,125,275.06 - Step 6: Final answer
x = 623,254.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.