Home / 1,240,440-1,860,677.28-353,976

Finding the Fourth Proportional to 1,240,440, 1,860,677.28 and 353,976

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Solution

The fourth proportional to 1,240,440, 1,860,677.28 and 353,976 is: 530,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,440 : 1,860,677.28 = 353,976 : x
  2. Step 2: Convert to fraction form
    1,240,440/1,860,677.28 = 353,976/x
  3. Step 3: Cross multiply
    1,240,440x = 1,860,677.28 × 353,976
  4. Step 4: Simplify right side
    1,240,440x = 658,635,100,865.28
  5. Step 5: Solve for x
    x = 658,635,100,865.28/1,240,440
  6. Step 6: Final answer
    x = 530,968.93

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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.