Home / 1,880,765.68-2,597,228.04-1,309,368.28

Finding the Fourth Proportional to 1,880,765.68, 2,597,228.04 and 1,309,368.28

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Solution

The fourth proportional to 1,880,765.68, 2,597,228.04 and 1,309,368.28 is: 1,808,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,765.68 : 2,597,228.04 = 1,309,368.28 : x
  2. Step 2: Convert to fraction form
    1,880,765.68/2,597,228.04 = 1,309,368.28/x
  3. Step 3: Cross multiply
    1,880,765.68x = 2,597,228.04 × 1,309,368.28
  4. Step 4: Simplify right side
    1,880,765.68x = 3,400,728,011,502.57
  5. Step 5: Solve for x
    x = 3,400,728,011,502.57/1,880,765.68
  6. Step 6: Final answer
    x = 1,808,161.46

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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.