Home / 1,152,214.36-1,728,404.60-442,242.40

Finding the Fourth Proportional to 1,152,214.36, 1,728,404.60 and 442,242.40

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Solution

The fourth proportional to 1,152,214.36, 1,728,404.60 and 442,242.40 is: 663,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,214.36 : 1,728,404.60 = 442,242.40 : x
  2. Step 2: Convert to fraction form
    1,152,214.36/1,728,404.60 = 442,242.40/x
  3. Step 3: Cross multiply
    1,152,214.36x = 1,728,404.60 × 442,242.40
  4. Step 4: Simplify right side
    1,152,214.36x = 764,373,798,475.04
  5. Step 5: Solve for x
    x = 764,373,798,475.04/1,152,214.36
  6. Step 6: Final answer
    x = 663,395.48

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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.