Home / 1,412,682.40-2,119,023.60-415,410.40

Finding the Fourth Proportional to 1,412,682.40, 2,119,023.60 and 415,410.40

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Solution

The fourth proportional to 1,412,682.40, 2,119,023.60 and 415,410.40 is: 623,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,682.40 : 2,119,023.60 = 415,410.40 : x
  2. Step 2: Convert to fraction form
    1,412,682.40/2,119,023.60 = 415,410.40/x
  3. Step 3: Cross multiply
    1,412,682.40x = 2,119,023.60 × 415,410.40
  4. Step 4: Simplify right side
    1,412,682.40x = 880,264,437,000.83
  5. Step 5: Solve for x
    x = 880,264,437,000.83/1,412,682.40
  6. Step 6: Final answer
    x = 623,115.60

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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.