Home / 1,349,078.60-2,023,358.70-402,480.20

Finding the Fourth Proportional to 1,349,078.60, 2,023,358.70 and 402,480.20

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Solution

The fourth proportional to 1,349,078.60, 2,023,358.70 and 402,480.20 is: 603,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,078.60 : 2,023,358.70 = 402,480.20 : x
  2. Step 2: Convert to fraction form
    1,349,078.60/2,023,358.70 = 402,480.20/x
  3. Step 3: Cross multiply
    1,349,078.60x = 2,023,358.70 × 402,480.20
  4. Step 4: Simplify right side
    1,349,078.60x = 814,361,814,247.74
  5. Step 5: Solve for x
    x = 814,361,814,247.74/1,349,078.60
  6. Step 6: Final answer
    x = 603,642.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.