Finding the Fourth Proportional to 1,031,567.80, 1,547,351.70 and 716,639.80
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Solution
The fourth proportional to 1,031,567.80, 1,547,351.70 and 716,639.80 is: 1,074,959.70
Step by Step Solution
- Step 1: Write the proportion equation
1,031,567.80 : 1,547,351.70 = 716,639.80 : x - Step 2: Convert to fraction form
1,031,567.80/1,547,351.70 = 716,639.80/x - Step 3: Cross multiply
1,031,567.80x = 1,547,351.70 × 716,639.80 - Step 4: Simplify right side
1,031,567.80x = 1,108,893,812,817.66 - Step 5: Solve for x
x = 1,108,893,812,817.66/1,031,567.80 - Step 6: Final answer
x = 1,074,959.70
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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.