Home / 1,099,572.80-1,649,128.80-539,009.60

Finding the Fourth Proportional to 1,099,572.80, 1,649,128.80 and 539,009.60

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Solution

The fourth proportional to 1,099,572.80, 1,649,128.80 and 539,009.60 is: 808,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,572.80 : 1,649,128.80 = 539,009.60 : x
  2. Step 2: Convert to fraction form
    1,099,572.80/1,649,128.80 = 539,009.60/x
  3. Step 3: Cross multiply
    1,099,572.80x = 1,649,128.80 × 539,009.60
  4. Step 4: Simplify right side
    1,099,572.80x = 888,896,254,836.48
  5. Step 5: Solve for x
    x = 888,896,254,836.48/1,099,572.80
  6. Step 6: Final answer
    x = 808,401.46

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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.