Home / 1,630,158.60-2,445,345.90-432,064.20

Finding the Fourth Proportional to 1,630,158.60, 2,445,345.90 and 432,064.20

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Solution

The fourth proportional to 1,630,158.60, 2,445,345.90 and 432,064.20 is: 648,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,158.60 : 2,445,345.90 = 432,064.20 : x
  2. Step 2: Convert to fraction form
    1,630,158.60/2,445,345.90 = 432,064.20/x
  3. Step 3: Cross multiply
    1,630,158.60x = 2,445,345.90 × 432,064.20
  4. Step 4: Simplify right side
    1,630,158.60x = 1,056,546,420,006.78
  5. Step 5: Solve for x
    x = 1,056,546,420,006.78/1,630,158.60
  6. Step 6: Final answer
    x = 648,124.92

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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.