Home / 1,496,782.80-2,065,516.20-817,719.30

Finding the Fourth Proportional to 1,496,782.80, 2,065,516.20 and 817,719.30

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Solution

The fourth proportional to 1,496,782.80, 2,065,516.20 and 817,719.30 is: 1,128,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,782.80 : 2,065,516.20 = 817,719.30 : x
  2. Step 2: Convert to fraction form
    1,496,782.80/2,065,516.20 = 817,719.30/x
  3. Step 3: Cross multiply
    1,496,782.80x = 2,065,516.20 × 817,719.30
  4. Step 4: Simplify right side
    1,496,782.80x = 1,689,012,461,202.66
  5. Step 5: Solve for x
    x = 1,689,012,461,202.66/1,496,782.80
  6. Step 6: Final answer
    x = 1,128,428.56

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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.