Home / 1,426,419.60-2,139,726.60-453,706.80

Finding the Fourth Proportional to 1,426,419.60, 2,139,726.60 and 453,706.80

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Solution

The fourth proportional to 1,426,419.60, 2,139,726.60 and 453,706.80 is: 680,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,419.60 : 2,139,726.60 = 453,706.80 : x
  2. Step 2: Convert to fraction form
    1,426,419.60/2,139,726.60 = 453,706.80/x
  3. Step 3: Cross multiply
    1,426,419.60x = 2,139,726.60 × 453,706.80
  4. Step 4: Simplify right side
    1,426,419.60x = 970,808,508,560.88
  5. Step 5: Solve for x
    x = 970,808,508,560.88/1,426,419.60
  6. Step 6: Final answer
    x = 680,591.12

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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.