Home / 1,872,023.60-2,808,035.40-674,130.80

Finding the Fourth Proportional to 1,872,023.60, 2,808,035.40 and 674,130.80

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Solution

The fourth proportional to 1,872,023.60, 2,808,035.40 and 674,130.80 is: 1,011,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,023.60 : 2,808,035.40 = 674,130.80 : x
  2. Step 2: Convert to fraction form
    1,872,023.60/2,808,035.40 = 674,130.80/x
  3. Step 3: Cross multiply
    1,872,023.60x = 2,808,035.40 × 674,130.80
  4. Step 4: Simplify right side
    1,872,023.60x = 1,892,983,150,630.32
  5. Step 5: Solve for x
    x = 1,892,983,150,630.32/1,872,023.60
  6. Step 6: Final answer
    x = 1,011,196.20

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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.