Home / 1,720,811.30-2,581,216.95-974,315.30

Finding the Fourth Proportional to 1,720,811.30, 2,581,216.95 and 974,315.30

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Solution

The fourth proportional to 1,720,811.30, 2,581,216.95 and 974,315.30 is: 1,461,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,811.30 : 2,581,216.95 = 974,315.30 : x
  2. Step 2: Convert to fraction form
    1,720,811.30/2,581,216.95 = 974,315.30/x
  3. Step 3: Cross multiply
    1,720,811.30x = 2,581,216.95 × 974,315.30
  4. Step 4: Simplify right side
    1,720,811.30x = 2,514,919,167,004.34
  5. Step 5: Solve for x
    x = 2,514,919,167,004.34/1,720,811.30
  6. Step 6: Final answer
    x = 1,461,472.95

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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.