Finding the Fourth Proportional to 1,249,590.98, 1,724,437.90 and 698,306.69
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Solution
The fourth proportional to 1,249,590.98, 1,724,437.90 and 698,306.69 is: 963,664.54
Step by Step Solution
- Step 1: Write the proportion equation
1,249,590.98 : 1,724,437.90 = 698,306.69 : x - Step 2: Convert to fraction form
1,249,590.98/1,724,437.90 = 698,306.69/x - Step 3: Cross multiply
1,249,590.98x = 1,724,437.90 × 698,306.69 - Step 4: Simplify right side
1,249,590.98x = 1,204,186,524,327.63 - Step 5: Solve for x
x = 1,204,186,524,327.63/1,249,590.98 - Step 6: Final answer
x = 963,664.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.