Home / 1,129,039.85-1,693,202.90-370,756.32

Finding the Fourth Proportional to 1,129,039.85, 1,693,202.90 and 370,756.32

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Solution

The fourth proportional to 1,129,039.85, 1,693,202.90 and 370,756.32 is: 556,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,039.85 : 1,693,202.90 = 370,756.32 : x
  2. Step 2: Convert to fraction form
    1,129,039.85/1,693,202.90 = 370,756.32/x
  3. Step 3: Cross multiply
    1,129,039.85x = 1,693,202.90 × 370,756.32
  4. Step 4: Simplify right side
    1,129,039.85x = 627,765,674,363.55
  5. Step 5: Solve for x
    x = 627,765,674,363.55/1,129,039.85
  6. Step 6: Final answer
    x = 556,017.29

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1.5x scale

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.