Home / 1,341,005.60-2,011,571.40-442,525.88

Finding the Fourth Proportional to 1,341,005.60, 2,011,571.40 and 442,525.88

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Solution

The fourth proportional to 1,341,005.60, 2,011,571.40 and 442,525.88 is: 663,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,005.60 : 2,011,571.40 = 442,525.88 : x
  2. Step 2: Convert to fraction form
    1,341,005.60/2,011,571.40 = 442,525.88/x
  3. Step 3: Cross multiply
    1,341,005.60x = 2,011,571.40 × 442,525.88
  4. Step 4: Simplify right side
    1,341,005.60x = 890,172,403,967.83
  5. Step 5: Solve for x
    x = 890,172,403,967.83/1,341,005.60
  6. Step 6: Final answer
    x = 663,809.61

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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.