Finding the Fourth Proportional to 1,406,297.31, 1,940,690.84 and 761,715.51
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Solution
The fourth proportional to 1,406,297.31, 1,940,690.84 and 761,715.51 is: 1,051,167.70
Step by Step Solution
- Step 1: Write the proportion equation
1,406,297.31 : 1,940,690.84 = 761,715.51 : x - Step 2: Convert to fraction form
1,406,297.31/1,940,690.84 = 761,715.51/x - Step 3: Cross multiply
1,406,297.31x = 1,940,690.84 × 761,715.51 - Step 4: Simplify right side
1,406,297.31x = 1,478,254,308,612.78 - Step 5: Solve for x
x = 1,478,254,308,612.78/1,406,297.31 - Step 6: Final answer
x = 1,051,167.70
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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.