Home / 1,301,200.64-1,950,303.12-502,128.80

Finding the Fourth Proportional to 1,301,200.64, 1,950,303.12 and 502,128.80

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Solution

The fourth proportional to 1,301,200.64, 1,950,303.12 and 502,128.80 is: 752,615.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,200.64 : 1,950,303.12 = 502,128.80 : x
  2. Step 2: Convert to fraction form
    1,301,200.64/1,950,303.12 = 502,128.80/x
  3. Step 3: Cross multiply
    1,301,200.64x = 1,950,303.12 × 502,128.80
  4. Step 4: Simplify right side
    1,301,200.64x = 979,303,365,281.86
  5. Step 5: Solve for x
    x = 979,303,365,281.86/1,301,200.64
  6. Step 6: Final answer
    x = 752,615.19

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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.