Home / 1,007,070.57-1,389,775.12-548,198.35

Finding the Fourth Proportional to 1,007,070.57, 1,389,775.12 and 548,198.35

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Solution

The fourth proportional to 1,007,070.57, 1,389,775.12 and 548,198.35 is: 756,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,070.57 : 1,389,775.12 = 548,198.35 : x
  2. Step 2: Convert to fraction form
    1,007,070.57/1,389,775.12 = 548,198.35/x
  3. Step 3: Cross multiply
    1,007,070.57x = 1,389,775.12 × 548,198.35
  4. Step 4: Simplify right side
    1,007,070.57x = 761,872,422,810.12
  5. Step 5: Solve for x
    x = 761,872,422,810.12/1,007,070.57
  6. Step 6: Final answer
    x = 756,523.37

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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.