Home / 1,417,861.80-2,126,063.10-420,460.20

Finding the Fourth Proportional to 1,417,861.80, 2,126,063.10 and 420,460.20

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Solution

The fourth proportional to 1,417,861.80, 2,126,063.10 and 420,460.20 is: 630,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,861.80 : 2,126,063.10 = 420,460.20 : x
  2. Step 2: Convert to fraction form
    1,417,861.80/2,126,063.10 = 420,460.20/x
  3. Step 3: Cross multiply
    1,417,861.80x = 2,126,063.10 × 420,460.20
  4. Step 4: Simplify right side
    1,417,861.80x = 893,924,916,238.62
  5. Step 5: Solve for x
    x = 893,924,916,238.62/1,417,861.80
  6. Step 6: Final answer
    x = 630,473.94

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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.