Home / 1,210,291.20-1,670,056.96-700,922.88

Finding the Fourth Proportional to 1,210,291.20, 1,670,056.96 and 700,922.88

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Solution

The fourth proportional to 1,210,291.20, 1,670,056.96 and 700,922.88 is: 967,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,291.20 : 1,670,056.96 = 700,922.88 : x
  2. Step 2: Convert to fraction form
    1,210,291.20/1,670,056.96 = 700,922.88/x
  3. Step 3: Cross multiply
    1,210,291.20x = 1,670,056.96 × 700,922.88
  4. Step 4: Simplify right side
    1,210,291.20x = 1,170,581,134,167.24
  5. Step 5: Solve for x
    x = 1,170,581,134,167.24/1,210,291.20
  6. Step 6: Final answer
    x = 967,189.66

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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.