Home / 1,043,488.20-1,439,344.62-716,643.48

Finding the Fourth Proportional to 1,043,488.20, 1,439,344.62 and 716,643.48

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Solution

The fourth proportional to 1,043,488.20, 1,439,344.62 and 716,643.48 is: 988,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,488.20 : 1,439,344.62 = 716,643.48 : x
  2. Step 2: Convert to fraction form
    1,043,488.20/1,439,344.62 = 716,643.48/x
  3. Step 3: Cross multiply
    1,043,488.20x = 1,439,344.62 × 716,643.48
  4. Step 4: Simplify right side
    1,043,488.20x = 1,031,496,937,396.08
  5. Step 5: Solve for x
    x = 1,031,496,937,396.08/1,043,488.20
  6. Step 6: Final answer
    x = 988,508.48

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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.