Finding the Fourth Proportional to 1,249,515.52, 1,724,272.32 and 740,135.68
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Solution
The fourth proportional to 1,249,515.52, 1,724,272.32 and 740,135.68 is: 1,021,352.23
Step by Step Solution
- Step 1: Write the proportion equation
1,249,515.52 : 1,724,272.32 = 740,135.68 : x - Step 2: Convert to fraction form
1,249,515.52/1,724,272.32 = 740,135.68/x - Step 3: Cross multiply
1,249,515.52x = 1,724,272.32 × 740,135.68 - Step 4: Simplify right side
1,249,515.52x = 1,276,195,466,068.38 - Step 5: Solve for x
x = 1,276,195,466,068.38/1,249,515.52 - Step 6: Final answer
x = 1,021,352.23
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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.