Home / 1,290,249.51-1,934,627.04-437,035.20

Finding the Fourth Proportional to 1,290,249.51, 1,934,627.04 and 437,035.20

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Solution

The fourth proportional to 1,290,249.51, 1,934,627.04 and 437,035.20 is: 655,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,249.51 : 1,934,627.04 = 437,035.20 : x
  2. Step 2: Convert to fraction form
    1,290,249.51/1,934,627.04 = 437,035.20/x
  3. Step 3: Cross multiply
    1,290,249.51x = 1,934,627.04 × 437,035.20
  4. Step 4: Simplify right side
    1,290,249.51x = 845,500,115,351.81
  5. Step 5: Solve for x
    x = 845,500,115,351.81/1,290,249.51
  6. Step 6: Final answer
    x = 655,299.70

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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.