Finding the Fourth Proportional to 1,249,235.61, 1,723,945.68 and 676,275.75
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Solution
The fourth proportional to 1,249,235.61, 1,723,945.68 and 676,275.75 is: 933,260.83
Step by Step Solution
- Step 1: Write the proportion equation
1,249,235.61 : 1,723,945.68 = 676,275.75 : x - Step 2: Convert to fraction form
1,249,235.61/1,723,945.68 = 676,275.75/x - Step 3: Cross multiply
1,249,235.61x = 1,723,945.68 × 676,275.75 - Step 4: Simplify right side
1,249,235.61x = 1,165,862,657,701.26 - Step 5: Solve for x
x = 1,165,862,657,701.26/1,249,235.61 - Step 6: Final answer
x = 933,260.83
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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.