Home / 1,174,564.40-1,761,846.60-426,513.20

Finding the Fourth Proportional to 1,174,564.40, 1,761,846.60 and 426,513.20

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Solution

The fourth proportional to 1,174,564.40, 1,761,846.60 and 426,513.20 is: 639,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,564.40 : 1,761,846.60 = 426,513.20 : x
  2. Step 2: Convert to fraction form
    1,174,564.40/1,761,846.60 = 426,513.20/x
  3. Step 3: Cross multiply
    1,174,564.40x = 1,761,846.60 × 426,513.20
  4. Step 4: Simplify right side
    1,174,564.40x = 751,450,831,275.12
  5. Step 5: Solve for x
    x = 751,450,831,275.12/1,174,564.40
  6. Step 6: Final answer
    x = 639,769.80

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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.