Home / 1,983,715.80-2,975,573.70-487,807.80

Finding the Fourth Proportional to 1,983,715.80, 2,975,573.70 and 487,807.80

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Solution

The fourth proportional to 1,983,715.80, 2,975,573.70 and 487,807.80 is: 731,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,715.80 : 2,975,573.70 = 487,807.80 : x
  2. Step 2: Convert to fraction form
    1,983,715.80/2,975,573.70 = 487,807.80/x
  3. Step 3: Cross multiply
    1,983,715.80x = 2,975,573.70 × 487,807.80
  4. Step 4: Simplify right side
    1,983,715.80x = 1,451,508,060,334.86
  5. Step 5: Solve for x
    x = 1,451,508,060,334.86/1,983,715.80
  6. Step 6: Final answer
    x = 731,711.70

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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.