Finding the Fourth Proportional to 1,418,681.11, 2,129,156.48 and 745,159.60
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Solution
The fourth proportional to 1,418,681.11, 2,129,156.48 and 745,159.60 is: 1,118,335.47
Step by Step Solution
- Step 1: Write the proportion equation
1,418,681.11 : 2,129,156.48 = 745,159.60 : x - Step 2: Convert to fraction form
1,418,681.11/2,129,156.48 = 745,159.60/x - Step 3: Cross multiply
1,418,681.11x = 2,129,156.48 × 745,159.60 - Step 4: Simplify right side
1,418,681.11x = 1,586,561,395,498.55 - Step 5: Solve for x
x = 1,586,561,395,498.55/1,418,681.11 - Step 6: Final answer
x = 1,118,335.47
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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.