Home / 1,371,547.80-1,892,960.22-820,227.48

Finding the Fourth Proportional to 1,371,547.80, 1,892,960.22 and 820,227.48

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Solution

The fourth proportional to 1,371,547.80, 1,892,960.22 and 820,227.48 is: 1,132,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,547.80 : 1,892,960.22 = 820,227.48 : x
  2. Step 2: Convert to fraction form
    1,371,547.80/1,892,960.22 = 820,227.48/x
  3. Step 3: Cross multiply
    1,371,547.80x = 1,892,960.22 × 820,227.48
  4. Step 4: Simplify right side
    1,371,547.80x = 1,552,657,990,990.85
  5. Step 5: Solve for x
    x = 1,552,657,990,990.85/1,371,547.80
  6. Step 6: Final answer
    x = 1,132,048.03

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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.