Home / 1,149,971.80-1,586,962.74-640,692.04

Finding the Fourth Proportional to 1,149,971.80, 1,586,962.74 and 640,692.04

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Solution

The fourth proportional to 1,149,971.80, 1,586,962.74 and 640,692.04 is: 884,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,971.80 : 1,586,962.74 = 640,692.04 : x
  2. Step 2: Convert to fraction form
    1,149,971.80/1,586,962.74 = 640,692.04/x
  3. Step 3: Cross multiply
    1,149,971.80x = 1,586,962.74 × 640,692.04
  4. Step 4: Simplify right side
    1,149,971.80x = 1,016,754,395,294.59
  5. Step 5: Solve for x
    x = 1,016,754,395,294.59/1,149,971.80
  6. Step 6: Final answer
    x = 884,155.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.