Home / 1,000,328.54-1,380,440.48-570,615.84

Finding the Fourth Proportional to 1,000,328.54, 1,380,440.48 and 570,615.84

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Solution

The fourth proportional to 1,000,328.54, 1,380,440.48 and 570,615.84 is: 787,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,328.54 : 1,380,440.48 = 570,615.84 : x
  2. Step 2: Convert to fraction form
    1,000,328.54/1,380,440.48 = 570,615.84/x
  3. Step 3: Cross multiply
    1,000,328.54x = 1,380,440.48 × 570,615.84
  4. Step 4: Simplify right side
    1,000,328.54x = 787,701,201,212.12
  5. Step 5: Solve for x
    x = 787,701,201,212.12/1,000,328.54
  6. Step 6: Final answer
    x = 787,442.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.