Home / 1,559,264.46-2,151,820.26-915,149.22

Finding the Fourth Proportional to 1,559,264.46, 2,151,820.26 and 915,149.22

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Solution

The fourth proportional to 1,559,264.46, 2,151,820.26 and 915,149.22 is: 1,262,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,264.46 : 2,151,820.26 = 915,149.22 : x
  2. Step 2: Convert to fraction form
    1,559,264.46/2,151,820.26 = 915,149.22/x
  3. Step 3: Cross multiply
    1,559,264.46x = 2,151,820.26 × 915,149.22
  4. Step 4: Simplify right side
    1,559,264.46x = 1,969,236,632,519.20
  5. Step 5: Solve for x
    x = 1,969,236,632,519.20/1,559,264.46
  6. Step 6: Final answer
    x = 1,262,926.64

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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.