Home / 1,292,434.57-1,937,754.09-572,383.90

Finding the Fourth Proportional to 1,292,434.57, 1,937,754.09 and 572,383.90

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Solution

The fourth proportional to 1,292,434.57, 1,937,754.09 and 572,383.90 is: 858,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,434.57 : 1,937,754.09 = 572,383.90 : x
  2. Step 2: Convert to fraction form
    1,292,434.57/1,937,754.09 = 572,383.90/x
  3. Step 3: Cross multiply
    1,292,434.57x = 1,937,754.09 × 572,383.90
  4. Step 4: Simplify right side
    1,292,434.57x = 1,109,139,234,797.48
  5. Step 5: Solve for x
    x = 1,109,139,234,797.48/1,292,434.57
  6. Step 6: Final answer
    x = 858,178.25

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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.