Finding the Fourth Proportional to 1,386,301.80, 2,080,374.30 and 787,261.80
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Solution
The fourth proportional to 1,386,301.80, 2,080,374.30 and 787,261.80 is: 1,181,416.06
Step by Step Solution
- Step 1: Write the proportion equation
1,386,301.80 : 2,080,374.30 = 787,261.80 : x - Step 2: Convert to fraction form
1,386,301.80/2,080,374.30 = 787,261.80/x - Step 3: Cross multiply
1,386,301.80x = 2,080,374.30 × 787,261.80 - Step 4: Simplify right side
1,386,301.80x = 1,637,799,216,091.74 - Step 5: Solve for x
x = 1,637,799,216,091.74/1,386,301.80 - Step 6: Final answer
x = 1,181,416.06
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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.