Home / 1,427,004.80-2,140,507.20-585,123.20

Finding the Fourth Proportional to 1,427,004.80, 2,140,507.20 and 585,123.20

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Solution

The fourth proportional to 1,427,004.80, 2,140,507.20 and 585,123.20 is: 877,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,004.80 : 2,140,507.20 = 585,123.20 : x
  2. Step 2: Convert to fraction form
    1,427,004.80/2,140,507.20 = 585,123.20/x
  3. Step 3: Cross multiply
    1,427,004.80x = 2,140,507.20 × 585,123.20
  4. Step 4: Simplify right side
    1,427,004.80x = 1,252,460,422,487.04
  5. Step 5: Solve for x
    x = 1,252,460,422,487.04/1,427,004.80
  6. Step 6: Final answer
    x = 877,684.80

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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.