Home / 1,373,695.20-2,060,533.08-427,064.40

Finding the Fourth Proportional to 1,373,695.20, 2,060,533.08 and 427,064.40

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Solution

The fourth proportional to 1,373,695.20, 2,060,533.08 and 427,064.40 is: 640,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,695.20 : 2,060,533.08 = 427,064.40 : x
  2. Step 2: Convert to fraction form
    1,373,695.20/2,060,533.08 = 427,064.40/x
  3. Step 3: Cross multiply
    1,373,695.20x = 2,060,533.08 × 427,064.40
  4. Step 4: Simplify right side
    1,373,695.20x = 879,980,323,490.35
  5. Step 5: Solve for x
    x = 879,980,323,490.35/1,373,695.20
  6. Step 6: Final answer
    x = 640,593.58

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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.