Home / 2,678,825.60-4,018,756.80-785,628.80

Finding the Fourth Proportional to 2,678,825.60, 4,018,756.80 and 785,628.80

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Solution

The fourth proportional to 2,678,825.60, 4,018,756.80 and 785,628.80 is: 1,178,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,825.60 : 4,018,756.80 = 785,628.80 : x
  2. Step 2: Convert to fraction form
    2,678,825.60/4,018,756.80 = 785,628.80/x
  3. Step 3: Cross multiply
    2,678,825.60x = 4,018,756.80 × 785,628.80
  4. Step 4: Simplify right side
    2,678,825.60x = 3,157,251,082,275.84
  5. Step 5: Solve for x
    x = 3,157,251,082,275.84/2,678,825.60
  6. Step 6: Final answer
    x = 1,178,595.23

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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.