Home / 1,306,730-1,797,688.68-1,250,742.80

Finding the Fourth Proportional to 1,306,730, 1,797,688.68 and 1,250,742.80

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Solution

The fourth proportional to 1,306,730, 1,797,688.68 and 1,250,742.80 is: 1,720,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,730 : 1,797,688.68 = 1,250,742.80 : x
  2. Step 2: Convert to fraction form
    1,306,730/1,797,688.68 = 1,250,742.80/x
  3. Step 3: Cross multiply
    1,306,730x = 1,797,688.68 × 1,250,742.80
  4. Step 4: Simplify right side
    1,306,730x = 2,248,446,173,151.50
  5. Step 5: Solve for x
    x = 2,248,446,173,151.50/1,306,730
  6. Step 6: Final answer
    x = 1,720,666.22

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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.