Home / 1,370,572.72-1,891,360.32-750,376.56

Finding the Fourth Proportional to 1,370,572.72, 1,891,360.32 and 750,376.56

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Solution

The fourth proportional to 1,370,572.72, 1,891,360.32 and 750,376.56 is: 1,035,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,572.72 : 1,891,360.32 = 750,376.56 : x
  2. Step 2: Convert to fraction form
    1,370,572.72/1,891,360.32 = 750,376.56/x
  3. Step 3: Cross multiply
    1,370,572.72x = 1,891,360.32 × 750,376.56
  4. Step 4: Simplify right side
    1,370,572.72x = 1,419,232,450,642.10
  5. Step 5: Solve for x
    x = 1,419,232,450,642.10/1,370,572.72
  6. Step 6: Final answer
    x = 1,035,503.21

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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.