Home / 1,045,659.70-1,568,489.55-931,498.30

Finding the Fourth Proportional to 1,045,659.70, 1,568,489.55 and 931,498.30

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Solution

The fourth proportional to 1,045,659.70, 1,568,489.55 and 931,498.30 is: 1,397,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,659.70 : 1,568,489.55 = 931,498.30 : x
  2. Step 2: Convert to fraction form
    1,045,659.70/1,568,489.55 = 931,498.30/x
  3. Step 3: Cross multiply
    1,045,659.70x = 1,568,489.55 × 931,498.30
  4. Step 4: Simplify right side
    1,045,659.70x = 1,461,045,349,392.77
  5. Step 5: Solve for x
    x = 1,461,045,349,392.77/1,045,659.70
  6. Step 6: Final answer
    x = 1,397,247.45

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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.