Home / 1,375,552.71-2,060,420.31-869,852.70

Finding the Fourth Proportional to 1,375,552.71, 2,060,420.31 and 869,852.70

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Solution

The fourth proportional to 1,375,552.71, 2,060,420.31 and 869,852.70 is: 1,302,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,552.71 : 2,060,420.31 = 869,852.70 : x
  2. Step 2: Convert to fraction form
    1,375,552.71/2,060,420.31 = 869,852.70/x
  3. Step 3: Cross multiply
    1,375,552.71x = 2,060,420.31 × 869,852.70
  4. Step 4: Simplify right side
    1,375,552.71x = 1,792,262,169,788.34
  5. Step 5: Solve for x
    x = 1,792,262,169,788.34/1,375,552.71
  6. Step 6: Final answer
    x = 1,302,939.65

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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.