Home / 1,434,023.55-2,151,094.68-423,145.50

Finding the Fourth Proportional to 1,434,023.55, 2,151,094.68 and 423,145.50

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Solution

The fourth proportional to 1,434,023.55, 2,151,094.68 and 423,145.50 is: 634,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,023.55 : 2,151,094.68 = 423,145.50 : x
  2. Step 2: Convert to fraction form
    1,434,023.55/2,151,094.68 = 423,145.50/x
  3. Step 3: Cross multiply
    1,434,023.55x = 2,151,094.68 × 423,145.50
  4. Step 4: Simplify right side
    1,434,023.55x = 910,226,033,915.94
  5. Step 5: Solve for x
    x = 910,226,033,915.94/1,434,023.55
  6. Step 6: Final answer
    x = 634,735.76

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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.