Home / 1,426,345.88-2,139,617.27-415,476.24

Finding the Fourth Proportional to 1,426,345.88, 2,139,617.27 and 415,476.24

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Solution

The fourth proportional to 1,426,345.88, 2,139,617.27 and 415,476.24 is: 623,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,345.88 : 2,139,617.27 = 415,476.24 : x
  2. Step 2: Convert to fraction form
    1,426,345.88/2,139,617.27 = 415,476.24/x
  3. Step 3: Cross multiply
    1,426,345.88x = 2,139,617.27 × 415,476.24
  4. Step 4: Simplify right side
    1,426,345.88x = 888,960,138,378.67
  5. Step 5: Solve for x
    x = 888,960,138,378.67/1,426,345.88
  6. Step 6: Final answer
    x = 623,243.04

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1.5x scale

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.