Home / 1,224,339.52-1,835,457.40-425,517.28

Finding the Fourth Proportional to 1,224,339.52, 1,835,457.40 and 425,517.28

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Solution

The fourth proportional to 1,224,339.52, 1,835,457.40 and 425,517.28 is: 637,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,339.52 : 1,835,457.40 = 425,517.28 : x
  2. Step 2: Convert to fraction form
    1,224,339.52/1,835,457.40 = 425,517.28/x
  3. Step 3: Cross multiply
    1,224,339.52x = 1,835,457.40 × 425,517.28
  4. Step 4: Simplify right side
    1,224,339.52x = 781,018,840,403.87
  5. Step 5: Solve for x
    x = 781,018,840,403.87/1,224,339.52
  6. Step 6: Final answer
    x = 637,910.34

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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.