Home / 1,630,212.10-2,445,426.15-432,117.70

Finding the Fourth Proportional to 1,630,212.10, 2,445,426.15 and 432,117.70

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Solution

The fourth proportional to 1,630,212.10, 2,445,426.15 and 432,117.70 is: 648,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,212.10 : 2,445,426.15 = 432,117.70 : x
  2. Step 2: Convert to fraction form
    1,630,212.10/2,445,426.15 = 432,117.70/x
  3. Step 3: Cross multiply
    1,630,212.10x = 2,445,426.15 × 432,117.70
  4. Step 4: Simplify right side
    1,630,212.10x = 1,056,711,923,457.86
  5. Step 5: Solve for x
    x = 1,056,711,923,457.86/1,630,212.10
  6. Step 6: Final answer
    x = 648,205.18

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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.