Home / 1,077,307.21-1,484,811.30-786,440.26

Finding the Fourth Proportional to 1,077,307.21, 1,484,811.30 and 786,440.26

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Solution

The fourth proportional to 1,077,307.21, 1,484,811.30 and 786,440.26 is: 1,083,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,307.21 : 1,484,811.30 = 786,440.26 : x
  2. Step 2: Convert to fraction form
    1,077,307.21/1,484,811.30 = 786,440.26/x
  3. Step 3: Cross multiply
    1,077,307.21x = 1,484,811.30 × 786,440.26
  4. Step 4: Simplify right side
    1,077,307.21x = 1,167,715,384,822.94
  5. Step 5: Solve for x
    x = 1,167,715,384,822.94/1,077,307.21
  6. Step 6: Final answer
    x = 1,083,920.51

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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.