Home / 1,306,561.74-1,803,105.76-725,828.84

Finding the Fourth Proportional to 1,306,561.74, 1,803,105.76 and 725,828.84

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Solution

The fourth proportional to 1,306,561.74, 1,803,105.76 and 725,828.84 is: 1,001,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,561.74 : 1,803,105.76 = 725,828.84 : x
  2. Step 2: Convert to fraction form
    1,306,561.74/1,803,105.76 = 725,828.84/x
  3. Step 3: Cross multiply
    1,306,561.74x = 1,803,105.76 × 725,828.84
  4. Step 4: Simplify right side
    1,306,561.74x = 1,308,746,162,178.12
  5. Step 5: Solve for x
    x = 1,308,746,162,178.12/1,306,561.74
  6. Step 6: Final answer
    x = 1,001,671.89

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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.