Finding the Fourth Proportional to 1,266,948.96, 1,900,703.70 and 698,037.09
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Solution
The fourth proportional to 1,266,948.96, 1,900,703.70 and 698,037.09 is: 1,047,210.05
Step by Step Solution
- Step 1: Write the proportion equation
1,266,948.96 : 1,900,703.70 = 698,037.09 : x - Step 2: Convert to fraction form
1,266,948.96/1,900,703.70 = 698,037.09/x - Step 3: Cross multiply
1,266,948.96x = 1,900,703.70 × 698,037.09 - Step 4: Simplify right side
1,266,948.96x = 1,326,761,679,700.23 - Step 5: Solve for x
x = 1,326,761,679,700.23/1,266,948.96 - Step 6: Final answer
x = 1,047,210.05
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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.