Home / 1,426,881.72-2,140,439.22-716,544.12

Finding the Fourth Proportional to 1,426,881.72, 2,140,439.22 and 716,544.12

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Solution

The fourth proportional to 1,426,881.72, 2,140,439.22 and 716,544.12 is: 1,074,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,881.72 : 2,140,439.22 = 716,544.12 : x
  2. Step 2: Convert to fraction form
    1,426,881.72/2,140,439.22 = 716,544.12/x
  3. Step 3: Cross multiply
    1,426,881.72x = 2,140,439.22 × 716,544.12
  4. Step 4: Simplify right side
    1,426,881.72x = 1,533,719,137,308.39
  5. Step 5: Solve for x
    x = 1,533,719,137,308.39/1,426,881.72
  6. Step 6: Final answer
    x = 1,074,874.75

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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.