Home / 1,240,220.16-1,860,148.80-591,649.92

Finding the Fourth Proportional to 1,240,220.16, 1,860,148.80 and 591,649.92

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Solution

The fourth proportional to 1,240,220.16, 1,860,148.80 and 591,649.92 is: 887,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,220.16 : 1,860,148.80 = 591,649.92 : x
  2. Step 2: Convert to fraction form
    1,240,220.16/1,860,148.80 = 591,649.92/x
  3. Step 3: Cross multiply
    1,240,220.16x = 1,860,148.80 × 591,649.92
  4. Step 4: Simplify right side
    1,240,220.16x = 1,100,556,888,708.10
  5. Step 5: Solve for x
    x = 1,100,556,888,708.10/1,240,220.16
  6. Step 6: Final answer
    x = 887,388.32

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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.