Home / 1,140,739.00-1,574,219.84-631,441.37

Finding the Fourth Proportional to 1,140,739.00, 1,574,219.84 and 631,441.37

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Solution

The fourth proportional to 1,140,739.00, 1,574,219.84 and 631,441.37 is: 871,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,739.00 : 1,574,219.84 = 631,441.37 : x
  2. Step 2: Convert to fraction form
    1,140,739.00/1,574,219.84 = 631,441.37/x
  3. Step 3: Cross multiply
    1,140,739.00x = 1,574,219.84 × 631,441.37
  4. Step 4: Simplify right side
    1,140,739.00x = 994,027,533,229.12
  5. Step 5: Solve for x
    x = 994,027,533,229.12/1,140,739.00
  6. Step 6: Final answer
    x = 871,389.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.