Home / 1,090,440.30-1,504,948.86-625,475.58

Finding the Fourth Proportional to 1,090,440.30, 1,504,948.86 and 625,475.58

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Solution

The fourth proportional to 1,090,440.30, 1,504,948.86 and 625,475.58 is: 863,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,440.30 : 1,504,948.86 = 625,475.58 : x
  2. Step 2: Convert to fraction form
    1,090,440.30/1,504,948.86 = 625,475.58/x
  3. Step 3: Cross multiply
    1,090,440.30x = 1,504,948.86 × 625,475.58
  4. Step 4: Simplify right side
    1,090,440.30x = 941,308,761,078.84
  5. Step 5: Solve for x
    x = 941,308,761,078.84/1,090,440.30
  6. Step 6: Final answer
    x = 863,237.32

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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.