Finding the Fourth Proportional to 1,249,069.75, 1,873,656.47 and 362,605.75
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Solution
The fourth proportional to 1,249,069.75, 1,873,656.47 and 362,605.75 is: 543,923.67
Step by Step Solution
- Step 1: Write the proportion equation
1,249,069.75 : 1,873,656.47 = 362,605.75 : x - Step 2: Convert to fraction form
1,249,069.75/1,873,656.47 = 362,605.75/x - Step 3: Cross multiply
1,249,069.75x = 1,873,656.47 × 362,605.75 - Step 4: Simplify right side
1,249,069.75x = 679,398,607,733.67 - Step 5: Solve for x
x = 679,398,607,733.67/1,249,069.75 - Step 6: Final answer
x = 543,923.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.