Home / 1,403,900.32-2,105,848.32-457,269.52

Finding the Fourth Proportional to 1,403,900.32, 2,105,848.32 and 457,269.52

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Solution

The fourth proportional to 1,403,900.32, 2,105,848.32 and 457,269.52 is: 685,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,900.32 : 2,105,848.32 = 457,269.52 : x
  2. Step 2: Convert to fraction form
    1,403,900.32/2,105,848.32 = 457,269.52/x
  3. Step 3: Cross multiply
    1,403,900.32x = 2,105,848.32 × 457,269.52
  4. Step 4: Simplify right side
    1,403,900.32x = 962,940,250,479.21
  5. Step 5: Solve for x
    x = 962,940,250,479.21/1,403,900.32
  6. Step 6: Final answer
    x = 685,903.58

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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.