Home / 990,384.12-1,484,591.86-590,425.56

Finding the Fourth Proportional to 990,384.12, 1,484,591.86 and 590,425.56

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Solution

The fourth proportional to 990,384.12, 1,484,591.86 and 590,425.56 is: 885,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,384.12 : 1,484,591.86 = 590,425.56 : x
  2. Step 2: Convert to fraction form
    990,384.12/1,484,591.86 = 590,425.56/x
  3. Step 3: Cross multiply
    990,384.12x = 1,484,591.86 × 590,425.56
  4. Step 4: Simplify right side
    990,384.12x = 876,540,980,311.94
  5. Step 5: Solve for x
    x = 876,540,980,311.94/990,384.12
  6. Step 6: Final answer
    x = 885,051.53

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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.