Home / 1,261,423.83-1,892,385-462,712.80

Finding the Fourth Proportional to 1,261,423.83, 1,892,385 and 462,712.80

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Solution

The fourth proportional to 1,261,423.83, 1,892,385 and 462,712.80 is: 694,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,423.83 : 1,892,385 = 462,712.80 : x
  2. Step 2: Convert to fraction form
    1,261,423.83/1,892,385 = 462,712.80/x
  3. Step 3: Cross multiply
    1,261,423.83x = 1,892,385 × 462,712.80
  4. Step 4: Simplify right side
    1,261,423.83x = 875,630,762,028
  5. Step 5: Solve for x
    x = 875,630,762,028/1,261,423.83
  6. Step 6: Final answer
    x = 694,160.63

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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.