Home / 1,298,595.53-1,792,027.45-725,640.41

Finding the Fourth Proportional to 1,298,595.53, 1,792,027.45 and 725,640.41

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Solution

The fourth proportional to 1,298,595.53, 1,792,027.45 and 725,640.41 is: 1,001,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,595.53 : 1,792,027.45 = 725,640.41 : x
  2. Step 2: Convert to fraction form
    1,298,595.53/1,792,027.45 = 725,640.41/x
  3. Step 3: Cross multiply
    1,298,595.53x = 1,792,027.45 × 725,640.41
  4. Step 4: Simplify right side
    1,298,595.53x = 1,300,367,533,549.25
  5. Step 5: Solve for x
    x = 1,300,367,533,549.25/1,298,595.53
  6. Step 6: Final answer
    x = 1,001,364.55

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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.