Home / 1,043,509.80-1,565,556.30-511,048.20

Finding the Fourth Proportional to 1,043,509.80, 1,565,556.30 and 511,048.20

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Solution

The fourth proportional to 1,043,509.80, 1,565,556.30 and 511,048.20 is: 766,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,509.80 : 1,565,556.30 = 511,048.20 : x
  2. Step 2: Convert to fraction form
    1,043,509.80/1,565,556.30 = 511,048.20/x
  3. Step 3: Cross multiply
    1,043,509.80x = 1,565,556.30 × 511,048.20
  4. Step 4: Simplify right side
    1,043,509.80x = 800,074,729,113.66
  5. Step 5: Solve for x
    x = 800,074,729,113.66/1,043,509.80
  6. Step 6: Final answer
    x = 766,715.11

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Double scale
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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.