Home / 1,381,258.20-2,072,114.10-434,400.60

Finding the Fourth Proportional to 1,381,258.20, 2,072,114.10 and 434,400.60

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Solution

The fourth proportional to 1,381,258.20, 2,072,114.10 and 434,400.60 is: 651,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,258.20 : 2,072,114.10 = 434,400.60 : x
  2. Step 2: Convert to fraction form
    1,381,258.20/2,072,114.10 = 434,400.60/x
  3. Step 3: Cross multiply
    1,381,258.20x = 2,072,114.10 × 434,400.60
  4. Step 4: Simplify right side
    1,381,258.20x = 900,127,608,308.46
  5. Step 5: Solve for x
    x = 900,127,608,308.46/1,381,258.20
  6. Step 6: Final answer
    x = 651,672.23

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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.