Home / 1,421,656.88-2,132,485.61-475,027.70

Finding the Fourth Proportional to 1,421,656.88, 2,132,485.61 and 475,027.70

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Solution

The fourth proportional to 1,421,656.88, 2,132,485.61 and 475,027.70 is: 712,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,656.88 : 2,132,485.61 = 475,027.70 : x
  2. Step 2: Convert to fraction form
    1,421,656.88/2,132,485.61 = 475,027.70/x
  3. Step 3: Cross multiply
    1,421,656.88x = 2,132,485.61 × 475,027.70
  4. Step 4: Simplify right side
    1,421,656.88x = 1,012,989,721,563.83
  5. Step 5: Solve for x
    x = 1,012,989,721,563.83/1,421,656.88
  6. Step 6: Final answer
    x = 712,541.64

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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.