Home / 1,287,355.24-1,931,202.36-477,629.44

Finding the Fourth Proportional to 1,287,355.24, 1,931,202.36 and 477,629.44

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Solution

The fourth proportional to 1,287,355.24, 1,931,202.36 and 477,629.44 is: 716,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,355.24 : 1,931,202.36 = 477,629.44 : x
  2. Step 2: Convert to fraction form
    1,287,355.24/1,931,202.36 = 477,629.44/x
  3. Step 3: Cross multiply
    1,287,355.24x = 1,931,202.36 × 477,629.44
  4. Step 4: Simplify right side
    1,287,355.24x = 922,399,101,733.48
  5. Step 5: Solve for x
    x = 922,399,101,733.48/1,287,355.24
  6. Step 6: Final answer
    x = 716,507.05

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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.