Home / 1,140,467.28-1,574,238.24-657,225

Finding the Fourth Proportional to 1,140,467.28, 1,574,238.24 and 657,225

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Solution

The fourth proportional to 1,140,467.28, 1,574,238.24 and 657,225 is: 907,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,467.28 : 1,574,238.24 = 657,225 : x
  2. Step 2: Convert to fraction form
    1,140,467.28/1,574,238.24 = 657,225/x
  3. Step 3: Cross multiply
    1,140,467.28x = 1,574,238.24 × 657,225
  4. Step 4: Simplify right side
    1,140,467.28x = 1,034,628,727,284
  5. Step 5: Solve for x
    x = 1,034,628,727,284/1,140,467.28
  6. Step 6: Final answer
    x = 907,197.20

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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.