Home / 1,315,272.60-1,814,894.10-734,424.84

Finding the Fourth Proportional to 1,315,272.60, 1,814,894.10 and 734,424.84

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Solution

The fourth proportional to 1,315,272.60, 1,814,894.10 and 734,424.84 is: 1,013,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,272.60 : 1,814,894.10 = 734,424.84 : x
  2. Step 2: Convert to fraction form
    1,315,272.60/1,814,894.10 = 734,424.84/x
  3. Step 3: Cross multiply
    1,315,272.60x = 1,814,894.10 × 734,424.84
  4. Step 4: Simplify right side
    1,315,272.60x = 1,332,903,309,009.44
  5. Step 5: Solve for x
    x = 1,332,903,309,009.44/1,315,272.60
  6. Step 6: Final answer
    x = 1,013,404.60

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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.