Home / 723,999.60-1,085,999.40-668,012.40

Finding the Fourth Proportional to 723,999.60, 1,085,999.40 and 668,012.40

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Solution

The fourth proportional to 723,999.60, 1,085,999.40 and 668,012.40 is: 1,002,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,999.60 : 1,085,999.40 = 668,012.40 : x
  2. Step 2: Convert to fraction form
    723,999.60/1,085,999.40 = 668,012.40/x
  3. Step 3: Cross multiply
    723,999.60x = 1,085,999.40 × 668,012.40
  4. Step 4: Simplify right side
    723,999.60x = 725,461,065,592.56
  5. Step 5: Solve for x
    x = 725,461,065,592.56/723,999.60
  6. Step 6: Final answer
    x = 1,002,018.60

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1.5x scale

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.