Home / 1,630,155.20-2,445,123.45-432,051.80

Finding the Fourth Proportional to 1,630,155.20, 2,445,123.45 and 432,051.80

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Solution

The fourth proportional to 1,630,155.20, 2,445,123.45 and 432,051.80 is: 648,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,155.20 : 2,445,123.45 = 432,051.80 : x
  2. Step 2: Convert to fraction form
    1,630,155.20/2,445,123.45 = 432,051.80/x
  3. Step 3: Cross multiply
    1,630,155.20x = 2,445,123.45 × 432,051.80
  4. Step 4: Simplify right side
    1,630,155.20x = 1,056,419,987,794.71
  5. Step 5: Solve for x
    x = 1,056,419,987,794.71/1,630,155.20
  6. Step 6: Final answer
    x = 648,048.72

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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.