Home / 1,068,489.60-1,603,328.40-437,359.20

Finding the Fourth Proportional to 1,068,489.60, 1,603,328.40 and 437,359.20

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Solution

The fourth proportional to 1,068,489.60, 1,603,328.40 and 437,359.20 is: 656,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,489.60 : 1,603,328.40 = 437,359.20 : x
  2. Step 2: Convert to fraction form
    1,068,489.60/1,603,328.40 = 437,359.20/x
  3. Step 3: Cross multiply
    1,068,489.60x = 1,603,328.40 × 437,359.20
  4. Step 4: Simplify right side
    1,068,489.60x = 701,230,426,361.28
  5. Step 5: Solve for x
    x = 701,230,426,361.28/1,068,489.60
  6. Step 6: Final answer
    x = 656,281.94

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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.