Home / 1,224,133.90-1,836,200.85-745,132.30

Finding the Fourth Proportional to 1,224,133.90, 1,836,200.85 and 745,132.30

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Solution

The fourth proportional to 1,224,133.90, 1,836,200.85 and 745,132.30 is: 1,117,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,133.90 : 1,836,200.85 = 745,132.30 : x
  2. Step 2: Convert to fraction form
    1,224,133.90/1,836,200.85 = 745,132.30/x
  3. Step 3: Cross multiply
    1,224,133.90x = 1,836,200.85 × 745,132.30
  4. Step 4: Simplify right side
    1,224,133.90x = 1,368,212,562,622.46
  5. Step 5: Solve for x
    x = 1,368,212,562,622.46/1,224,133.90
  6. Step 6: Final answer
    x = 1,117,698.45

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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.