Home / 1,145,801.80-1,719,404.70-472,205.80

Finding the Fourth Proportional to 1,145,801.80, 1,719,404.70 and 472,205.80

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Solution

The fourth proportional to 1,145,801.80, 1,719,404.70 and 472,205.80 is: 708,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,801.80 : 1,719,404.70 = 472,205.80 : x
  2. Step 2: Convert to fraction form
    1,145,801.80/1,719,404.70 = 472,205.80/x
  3. Step 3: Cross multiply
    1,145,801.80x = 1,719,404.70 × 472,205.80
  4. Step 4: Simplify right side
    1,145,801.80x = 811,912,871,887.26
  5. Step 5: Solve for x
    x = 811,912,871,887.26/1,145,801.80
  6. Step 6: Final answer
    x = 708,598.01

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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.