Home / 1,443,679.20-2,165,810.40-497,145.60

Finding the Fourth Proportional to 1,443,679.20, 2,165,810.40 and 497,145.60

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Solution

The fourth proportional to 1,443,679.20, 2,165,810.40 and 497,145.60 is: 745,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,679.20 : 2,165,810.40 = 497,145.60 : x
  2. Step 2: Convert to fraction form
    1,443,679.20/2,165,810.40 = 497,145.60/x
  3. Step 3: Cross multiply
    1,443,679.20x = 2,165,810.40 × 497,145.60
  4. Step 4: Simplify right side
    1,443,679.20x = 1,076,723,110,794.24
  5. Step 5: Solve for x
    x = 1,076,723,110,794.24/1,443,679.20
  6. Step 6: Final answer
    x = 745,818.82

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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.