Home / 1,325,429.22-1,829,005.32-781,538.70

Finding the Fourth Proportional to 1,325,429.22, 1,829,005.32 and 781,538.70

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Solution

The fourth proportional to 1,325,429.22, 1,829,005.32 and 781,538.70 is: 1,078,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,429.22 : 1,829,005.32 = 781,538.70 : x
  2. Step 2: Convert to fraction form
    1,325,429.22/1,829,005.32 = 781,538.70/x
  3. Step 3: Cross multiply
    1,325,429.22x = 1,829,005.32 × 781,538.70
  4. Step 4: Simplify right side
    1,325,429.22x = 1,429,438,440,085.88
  5. Step 5: Solve for x
    x = 1,429,438,440,085.88/1,325,429.22
  6. Step 6: Final answer
    x = 1,078,472.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.