Finding the Fourth Proportional to 1,031,664.90, 1,547,497.35 and 712,800.30
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Solution
The fourth proportional to 1,031,664.90, 1,547,497.35 and 712,800.30 is: 1,069,200.45
Step by Step Solution
- Step 1: Write the proportion equation
1,031,664.90 : 1,547,497.35 = 712,800.30 : x - Step 2: Convert to fraction form
1,031,664.90/1,547,497.35 = 712,800.30/x - Step 3: Cross multiply
1,031,664.90x = 1,547,497.35 × 712,800.30 - Step 4: Simplify right side
1,031,664.90x = 1,103,056,575,329.21 - Step 5: Solve for x
x = 1,103,056,575,329.21/1,031,664.90 - Step 6: Final answer
x = 1,069,200.45
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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.