Home / 1,634,434.68-2,451,643.86-420,010.20

Finding the Fourth Proportional to 1,634,434.68, 2,451,643.86 and 420,010.20

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Solution

The fourth proportional to 1,634,434.68, 2,451,643.86 and 420,010.20 is: 630,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,434.68 : 2,451,643.86 = 420,010.20 : x
  2. Step 2: Convert to fraction form
    1,634,434.68/2,451,643.86 = 420,010.20/x
  3. Step 3: Cross multiply
    1,634,434.68x = 2,451,643.86 × 420,010.20
  4. Step 4: Simplify right side
    1,634,434.68x = 1,029,715,427,967.37
  5. Step 5: Solve for x
    x = 1,029,715,427,967.37/1,634,434.68
  6. Step 6: Final answer
    x = 630,013.20

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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.