Home / 1,008,035.60-1,512,320.70-439,172.60

Finding the Fourth Proportional to 1,008,035.60, 1,512,320.70 and 439,172.60

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Solution

The fourth proportional to 1,008,035.60, 1,512,320.70 and 439,172.60 is: 658,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,035.60 : 1,512,320.70 = 439,172.60 : x
  2. Step 2: Convert to fraction form
    1,008,035.60/1,512,320.70 = 439,172.60/x
  3. Step 3: Cross multiply
    1,008,035.60x = 1,512,320.70 × 439,172.60
  4. Step 4: Simplify right side
    1,008,035.60x = 664,169,813,852.82
  5. Step 5: Solve for x
    x = 664,169,813,852.82/1,008,035.60
  6. Step 6: Final answer
    x = 658,875.36

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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.