Home / 1,385,970.38-1,912,639.12-750,066.38

Finding the Fourth Proportional to 1,385,970.38, 1,912,639.12 and 750,066.38

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Solution

The fourth proportional to 1,385,970.38, 1,912,639.12 and 750,066.38 is: 1,035,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,970.38 : 1,912,639.12 = 750,066.38 : x
  2. Step 2: Convert to fraction form
    1,385,970.38/1,912,639.12 = 750,066.38/x
  3. Step 3: Cross multiply
    1,385,970.38x = 1,912,639.12 × 750,066.38
  4. Step 4: Simplify right side
    1,385,970.38x = 1,434,606,289,546.42
  5. Step 5: Solve for x
    x = 1,434,606,289,546.42/1,385,970.38
  6. Step 6: Final answer
    x = 1,035,091.60

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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.