Home / 1,126,321.04-1,689,480.53-452,402.45

Finding the Fourth Proportional to 1,126,321.04, 1,689,480.53 and 452,402.45

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Solution

The fourth proportional to 1,126,321.04, 1,689,480.53 and 452,402.45 is: 678,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,321.04 : 1,689,480.53 = 452,402.45 : x
  2. Step 2: Convert to fraction form
    1,126,321.04/1,689,480.53 = 452,402.45/x
  3. Step 3: Cross multiply
    1,126,321.04x = 1,689,480.53 × 452,402.45
  4. Step 4: Simplify right side
    1,126,321.04x = 764,325,130,999.30
  5. Step 5: Solve for x
    x = 764,325,130,999.30/1,126,321.04
  6. Step 6: Final answer
    x = 678,603.26

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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.