Home / 1,373,271.60-2,060,101.80-426,543.60

Finding the Fourth Proportional to 1,373,271.60, 2,060,101.80 and 426,543.60

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Solution

The fourth proportional to 1,373,271.60, 2,060,101.80 and 426,543.60 is: 639,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,271.60 : 2,060,101.80 = 426,543.60 : x
  2. Step 2: Convert to fraction form
    1,373,271.60/2,060,101.80 = 426,543.60/x
  3. Step 3: Cross multiply
    1,373,271.60x = 2,060,101.80 × 426,543.60
  4. Step 4: Simplify right side
    1,373,271.60x = 878,723,238,138.48
  5. Step 5: Solve for x
    x = 878,723,238,138.48/1,373,271.60
  6. Step 6: Final answer
    x = 639,875.78

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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.