Home / 1,505,106.20-2,077,444.78-931,820.60

Finding the Fourth Proportional to 1,505,106.20, 2,077,444.78 and 931,820.60

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Solution

The fourth proportional to 1,505,106.20, 2,077,444.78 and 931,820.60 is: 1,286,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,106.20 : 2,077,444.78 = 931,820.60 : x
  2. Step 2: Convert to fraction form
    1,505,106.20/2,077,444.78 = 931,820.60/x
  3. Step 3: Cross multiply
    1,505,106.20x = 2,077,444.78 × 931,820.60
  4. Step 4: Simplify right side
    1,505,106.20x = 1,935,805,828,649.69
  5. Step 5: Solve for x
    x = 1,935,805,828,649.69/1,505,106.20
  6. Step 6: Final answer
    x = 1,286,158.97

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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.