Home / 1,346,841.60-2,020,003.20-400,243.20

Finding the Fourth Proportional to 1,346,841.60, 2,020,003.20 and 400,243.20

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Solution

The fourth proportional to 1,346,841.60, 2,020,003.20 and 400,243.20 is: 600,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,841.60 : 2,020,003.20 = 400,243.20 : x
  2. Step 2: Convert to fraction form
    1,346,841.60/2,020,003.20 = 400,243.20/x
  3. Step 3: Cross multiply
    1,346,841.60x = 2,020,003.20 × 400,243.20
  4. Step 4: Simplify right side
    1,346,841.60x = 808,492,544,778.24
  5. Step 5: Solve for x
    x = 808,492,544,778.24/1,346,841.60
  6. Step 6: Final answer
    x = 600,287.77

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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.