Home / 1,630,154.70-2,445,122.70-432,051.30

Finding the Fourth Proportional to 1,630,154.70, 2,445,122.70 and 432,051.30

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Solution

The fourth proportional to 1,630,154.70, 2,445,122.70 and 432,051.30 is: 648,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,154.70 : 2,445,122.70 = 432,051.30 : x
  2. Step 2: Convert to fraction form
    1,630,154.70/2,445,122.70 = 432,051.30/x
  3. Step 3: Cross multiply
    1,630,154.70x = 2,445,122.70 × 432,051.30
  4. Step 4: Simplify right side
    1,630,154.70x = 1,056,418,441,194.51
  5. Step 5: Solve for x
    x = 1,056,418,441,194.51/1,630,154.70
  6. Step 6: Final answer
    x = 648,047.97

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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.