Home / 1,276,455.45-1,761,485.72-695,683.83

Finding the Fourth Proportional to 1,276,455.45, 1,761,485.72 and 695,683.83

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Solution

The fourth proportional to 1,276,455.45, 1,761,485.72 and 695,683.83 is: 960,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,455.45 : 1,761,485.72 = 695,683.83 : x
  2. Step 2: Convert to fraction form
    1,276,455.45/1,761,485.72 = 695,683.83/x
  3. Step 3: Cross multiply
    1,276,455.45x = 1,761,485.72 × 695,683.83
  4. Step 4: Simplify right side
    1,276,455.45x = 1,225,437,128,701.49
  5. Step 5: Solve for x
    x = 1,225,437,128,701.49/1,276,455.45
  6. Step 6: Final answer
    x = 960,031.26

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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.