Home / 1,005,907.24-1,388,181.06-553,227.40

Finding the Fourth Proportional to 1,005,907.24, 1,388,181.06 and 553,227.40

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Solution

The fourth proportional to 1,005,907.24, 1,388,181.06 and 553,227.40 is: 763,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,907.24 : 1,388,181.06 = 553,227.40 : x
  2. Step 2: Convert to fraction form
    1,005,907.24/1,388,181.06 = 553,227.40/x
  3. Step 3: Cross multiply
    1,005,907.24x = 1,388,181.06 × 553,227.40
  4. Step 4: Simplify right side
    1,005,907.24x = 767,979,798,553.04
  5. Step 5: Solve for x
    x = 767,979,798,553.04/1,005,907.24
  6. Step 6: Final answer
    x = 763,469.80

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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.