Home / 1,421,698.86-2,132,681.94-523,157.76

Finding the Fourth Proportional to 1,421,698.86, 2,132,681.94 and 523,157.76

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Solution

The fourth proportional to 1,421,698.86, 2,132,681.94 and 523,157.76 is: 784,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,698.86 : 2,132,681.94 = 523,157.76 : x
  2. Step 2: Convert to fraction form
    1,421,698.86/2,132,681.94 = 523,157.76/x
  3. Step 3: Cross multiply
    1,421,698.86x = 2,132,681.94 × 523,157.76
  4. Step 4: Simplify right side
    1,421,698.86x = 1,115,729,106,522.85
  5. Step 5: Solve for x
    x = 1,115,729,106,522.85/1,421,698.86
  6. Step 6: Final answer
    x = 784,785.82

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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.