Home / 1,090,420.62-1,504,921.47-625,455.92

Finding the Fourth Proportional to 1,090,420.62, 1,504,921.47 and 625,455.92

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Solution

The fourth proportional to 1,090,420.62, 1,504,921.47 and 625,455.92 is: 863,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,420.62 : 1,504,921.47 = 625,455.92 : x
  2. Step 2: Convert to fraction form
    1,090,420.62/1,504,921.47 = 625,455.92/x
  3. Step 3: Cross multiply
    1,090,420.62x = 1,504,921.47 × 625,455.92
  4. Step 4: Simplify right side
    1,090,420.62x = 941,262,042,546.60
  5. Step 5: Solve for x
    x = 941,262,042,546.60/1,090,420.62
  6. Step 6: Final answer
    x = 863,210.05

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1.5x scale

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.