Home / 1,185,964.36-1,779,044.54-387,228.20

Finding the Fourth Proportional to 1,185,964.36, 1,779,044.54 and 387,228.20

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Solution

The fourth proportional to 1,185,964.36, 1,779,044.54 and 387,228.20 is: 580,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,964.36 : 1,779,044.54 = 387,228.20 : x
  2. Step 2: Convert to fraction form
    1,185,964.36/1,779,044.54 = 387,228.20/x
  3. Step 3: Cross multiply
    1,185,964.36x = 1,779,044.54 × 387,228.20
  4. Step 4: Simplify right side
    1,185,964.36x = 688,896,214,944.03
  5. Step 5: Solve for x
    x = 688,896,214,944.03/1,185,964.36
  6. Step 6: Final answer
    x = 580,874.30

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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.