Home / 1,119,780.04-1,679,325.52-320,847.52

Finding the Fourth Proportional to 1,119,780.04, 1,679,325.52 and 320,847.52

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Solution

The fourth proportional to 1,119,780.04, 1,679,325.52 and 320,847.52 is: 481,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,780.04 : 1,679,325.52 = 320,847.52 : x
  2. Step 2: Convert to fraction form
    1,119,780.04/1,679,325.52 = 320,847.52/x
  3. Step 3: Cross multiply
    1,119,780.04x = 1,679,325.52 × 320,847.52
  4. Step 4: Simplify right side
    1,119,780.04x = 538,807,428,364.71
  5. Step 5: Solve for x
    x = 538,807,428,364.71/1,119,780.04
  6. Step 6: Final answer
    x = 481,172.56

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1.5x scale

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.