Home / 799,182.72-1,102,760.64-777,678.72

Finding the Fourth Proportional to 799,182.72, 1,102,760.64 and 777,678.72

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Solution

The fourth proportional to 799,182.72, 1,102,760.64 and 777,678.72 is: 1,073,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,182.72 : 1,102,760.64 = 777,678.72 : x
  2. Step 2: Convert to fraction form
    799,182.72/1,102,760.64 = 777,678.72/x
  3. Step 3: Cross multiply
    799,182.72x = 1,102,760.64 × 777,678.72
  4. Step 4: Simplify right side
    799,182.72x = 857,593,482,981.58
  5. Step 5: Solve for x
    x = 857,593,482,981.58/799,182.72
  6. Step 6: Final answer
    x = 1,073,088.12

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1.5x scale

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.