Home / 1,086,727.20-1,630,090.80-288,007.20

Finding the Fourth Proportional to 1,086,727.20, 1,630,090.80 and 288,007.20

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Solution

The fourth proportional to 1,086,727.20, 1,630,090.80 and 288,007.20 is: 432,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,727.20 : 1,630,090.80 = 288,007.20 : x
  2. Step 2: Convert to fraction form
    1,086,727.20/1,630,090.80 = 288,007.20/x
  3. Step 3: Cross multiply
    1,086,727.20x = 1,630,090.80 × 288,007.20
  4. Step 4: Simplify right side
    1,086,727.20x = 469,477,887,053.76
  5. Step 5: Solve for x
    x = 469,477,887,053.76/1,086,727.20
  6. Step 6: Final answer
    x = 432,010.80

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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.