Home / 1,322,583.29-1,984,155.45-424,655.76

Finding the Fourth Proportional to 1,322,583.29, 1,984,155.45 and 424,655.76

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Solution

The fourth proportional to 1,322,583.29, 1,984,155.45 and 424,655.76 is: 637,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,583.29 : 1,984,155.45 = 424,655.76 : x
  2. Step 2: Convert to fraction form
    1,322,583.29/1,984,155.45 = 424,655.76/x
  3. Step 3: Cross multiply
    1,322,583.29x = 1,984,155.45 × 424,655.76
  4. Step 4: Simplify right side
    1,322,583.29x = 842,583,046,426.02
  5. Step 5: Solve for x
    x = 842,583,046,426.02/1,322,583.29
  6. Step 6: Final answer
    x = 637,073.71

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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.