Home / 1,237,641.40-1,856,202.90-607,007.80

Finding the Fourth Proportional to 1,237,641.40, 1,856,202.90 and 607,007.80

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Solution

The fourth proportional to 1,237,641.40, 1,856,202.90 and 607,007.80 is: 910,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,641.40 : 1,856,202.90 = 607,007.80 : x
  2. Step 2: Convert to fraction form
    1,237,641.40/1,856,202.90 = 607,007.80/x
  3. Step 3: Cross multiply
    1,237,641.40x = 1,856,202.90 × 607,007.80
  4. Step 4: Simplify right side
    1,237,641.40x = 1,126,729,638,682.62
  5. Step 5: Solve for x
    x = 1,126,729,638,682.62/1,237,641.40
  6. Step 6: Final answer
    x = 910,384.57

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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.