Home / 1,065,680.30-1,599,658.40-458,769

Finding the Fourth Proportional to 1,065,680.30, 1,599,658.40 and 458,769

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Solution

The fourth proportional to 1,065,680.30, 1,599,658.40 and 458,769 is: 688,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,680.30 : 1,599,658.40 = 458,769 : x
  2. Step 2: Convert to fraction form
    1,065,680.30/1,599,658.40 = 458,769/x
  3. Step 3: Cross multiply
    1,065,680.30x = 1,599,658.40 × 458,769
  4. Step 4: Simplify right side
    1,065,680.30x = 733,873,682,215.76
  5. Step 5: Solve for x
    x = 733,873,682,215.76/1,065,680.30
  6. Step 6: Final answer
    x = 688,643.38

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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.