Home / 1,188,435.60-1,782,264.60-440,384.40

Finding the Fourth Proportional to 1,188,435.60, 1,782,264.60 and 440,384.40

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Solution

The fourth proportional to 1,188,435.60, 1,782,264.60 and 440,384.40 is: 660,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,435.60 : 1,782,264.60 = 440,384.40 : x
  2. Step 2: Convert to fraction form
    1,188,435.60/1,782,264.60 = 440,384.40/x
  3. Step 3: Cross multiply
    1,188,435.60x = 1,782,264.60 × 440,384.40
  4. Step 4: Simplify right side
    1,188,435.60x = 784,881,526,512.24
  5. Step 5: Solve for x
    x = 784,881,526,512.24/1,188,435.60
  6. Step 6: Final answer
    x = 660,432.53

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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.