Home / 1,380,048.90-2,069,505.51-527,435.46

Finding the Fourth Proportional to 1,380,048.90, 2,069,505.51 and 527,435.46

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Solution

The fourth proportional to 1,380,048.90, 2,069,505.51 and 527,435.46 is: 790,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,048.90 : 2,069,505.51 = 527,435.46 : x
  2. Step 2: Convert to fraction form
    1,380,048.90/2,069,505.51 = 527,435.46/x
  3. Step 3: Cross multiply
    1,380,048.90x = 2,069,505.51 × 527,435.46
  4. Step 4: Simplify right side
    1,380,048.90x = 1,091,530,590,639.38
  5. Step 5: Solve for x
    x = 1,091,530,590,639.38/1,380,048.90
  6. Step 6: Final answer
    x = 790,936.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.