Home / 1,242,281.60-1,714,308.90-698,440.40

Finding the Fourth Proportional to 1,242,281.60, 1,714,308.90 and 698,440.40

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Solution

The fourth proportional to 1,242,281.60, 1,714,308.90 and 698,440.40 is: 963,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,281.60 : 1,714,308.90 = 698,440.40 : x
  2. Step 2: Convert to fraction form
    1,242,281.60/1,714,308.90 = 698,440.40/x
  3. Step 3: Cross multiply
    1,242,281.60x = 1,714,308.90 × 698,440.40
  4. Step 4: Simplify right side
    1,242,281.60x = 1,197,342,593,839.56
  5. Step 5: Solve for x
    x = 1,197,342,593,839.56/1,242,281.60
  6. Step 6: Final answer
    x = 963,825.43

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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.