Home / 1,657,136.08-2,485,300.20-459,027.28

Finding the Fourth Proportional to 1,657,136.08, 2,485,300.20 and 459,027.28

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Solution

The fourth proportional to 1,657,136.08, 2,485,300.20 and 459,027.28 is: 688,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,136.08 : 2,485,300.20 = 459,027.28 : x
  2. Step 2: Convert to fraction form
    1,657,136.08/2,485,300.20 = 459,027.28/x
  3. Step 3: Cross multiply
    1,657,136.08x = 2,485,300.20 × 459,027.28
  4. Step 4: Simplify right side
    1,657,136.08x = 1,140,820,590,789.46
  5. Step 5: Solve for x
    x = 1,140,820,590,789.46/1,657,136.08
  6. Step 6: Final answer
    x = 688,429.03

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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.