Home / 1,630,266.10-2,445,507.15-432,171.70

Finding the Fourth Proportional to 1,630,266.10, 2,445,507.15 and 432,171.70

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Solution

The fourth proportional to 1,630,266.10, 2,445,507.15 and 432,171.70 is: 648,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,266.10 : 2,445,507.15 = 432,171.70 : x
  2. Step 2: Convert to fraction form
    1,630,266.10/2,445,507.15 = 432,171.70/x
  3. Step 3: Cross multiply
    1,630,266.10x = 2,445,507.15 × 432,171.70
  4. Step 4: Simplify right side
    1,630,266.10x = 1,056,878,982,377.66
  5. Step 5: Solve for x
    x = 1,056,878,982,377.66/1,630,266.10
  6. Step 6: Final answer
    x = 648,286.18

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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.