Home / 1,540,909.66-2,309,848.16-900,400.54

Finding the Fourth Proportional to 1,540,909.66, 2,309,848.16 and 900,400.54

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Solution

The fourth proportional to 1,540,909.66, 2,309,848.16 and 900,400.54 is: 1,349,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,909.66 : 2,309,848.16 = 900,400.54 : x
  2. Step 2: Convert to fraction form
    1,540,909.66/2,309,848.16 = 900,400.54/x
  3. Step 3: Cross multiply
    1,540,909.66x = 2,309,848.16 × 900,400.54
  4. Step 4: Simplify right side
    1,540,909.66x = 2,079,788,530,582.01
  5. Step 5: Solve for x
    x = 2,079,788,530,582.01/1,540,909.66
  6. Step 6: Final answer
    x = 1,349,714.77

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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.