Home / 1,418,658.24-2,128,308.12-472,066.32

Finding the Fourth Proportional to 1,418,658.24, 2,128,308.12 and 472,066.32

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Solution

The fourth proportional to 1,418,658.24, 2,128,308.12 and 472,066.32 is: 708,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,658.24 : 2,128,308.12 = 472,066.32 : x
  2. Step 2: Convert to fraction form
    1,418,658.24/2,128,308.12 = 472,066.32/x
  3. Step 3: Cross multiply
    1,418,658.24x = 2,128,308.12 × 472,066.32
  4. Step 4: Simplify right side
    1,418,658.24x = 1,004,702,582,034.52
  5. Step 5: Solve for x
    x = 1,004,702,582,034.52/1,418,658.24
  6. Step 6: Final answer
    x = 708,206.21

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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.