Home / 1,664,918-2,297,586.86-900,971.56

Finding the Fourth Proportional to 1,664,918, 2,297,586.86 and 900,971.56

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Solution

The fourth proportional to 1,664,918, 2,297,586.86 and 900,971.56 is: 1,243,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,918 : 2,297,586.86 = 900,971.56 : x
  2. Step 2: Convert to fraction form
    1,664,918/2,297,586.86 = 900,971.56/x
  3. Step 3: Cross multiply
    1,664,918x = 2,297,586.86 × 900,971.56
  4. Step 4: Simplify right side
    1,664,918x = 2,070,060,417,489.70
  5. Step 5: Solve for x
    x = 2,070,060,417,489.70/1,664,918
  6. Step 6: Final answer
    x = 1,243,340.76

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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.