Home / 1,101,220.65-1,651,338.90-427,077.90

Finding the Fourth Proportional to 1,101,220.65, 1,651,338.90 and 427,077.90

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Solution

The fourth proportional to 1,101,220.65, 1,651,338.90 and 427,077.90 is: 640,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,220.65 : 1,651,338.90 = 427,077.90 : x
  2. Step 2: Convert to fraction form
    1,101,220.65/1,651,338.90 = 427,077.90/x
  3. Step 3: Cross multiply
    1,101,220.65x = 1,651,338.90 × 427,077.90
  4. Step 4: Simplify right side
    1,101,220.65x = 705,250,349,600.31
  5. Step 5: Solve for x
    x = 705,250,349,600.31/1,101,220.65
  6. Step 6: Final answer
    x = 640,426.01

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1.5x scale

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.