Home / 1,779,731.20-2,669,051.44-642,354.48

Finding the Fourth Proportional to 1,779,731.20, 2,669,051.44 and 642,354.48

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Solution

The fourth proportional to 1,779,731.20, 2,669,051.44 and 642,354.48 is: 963,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,731.20 : 2,669,051.44 = 642,354.48 : x
  2. Step 2: Convert to fraction form
    1,779,731.20/2,669,051.44 = 642,354.48/x
  3. Step 3: Cross multiply
    1,779,731.20x = 2,669,051.44 × 642,354.48
  4. Step 4: Simplify right side
    1,779,731.20x = 1,714,477,149,834.45
  5. Step 5: Solve for x
    x = 1,714,477,149,834.45/1,779,731.20
  6. Step 6: Final answer
    x = 963,334.88

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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.