Home / 1,050,018.76-1,575,353.58-443,121.40

Finding the Fourth Proportional to 1,050,018.76, 1,575,353.58 and 443,121.40

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Solution

The fourth proportional to 1,050,018.76, 1,575,353.58 and 443,121.40 is: 664,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,018.76 : 1,575,353.58 = 443,121.40 : x
  2. Step 2: Convert to fraction form
    1,050,018.76/1,575,353.58 = 443,121.40/x
  3. Step 3: Cross multiply
    1,050,018.76x = 1,575,353.58 × 443,121.40
  4. Step 4: Simplify right side
    1,050,018.76x = 698,072,883,864.61
  5. Step 5: Solve for x
    x = 698,072,883,864.61/1,050,018.76
  6. Step 6: Final answer
    x = 664,819.44

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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.