Home / 1,958,711.45-2,938,752.66-761,473.84

Finding the Fourth Proportional to 1,958,711.45, 2,938,752.66 and 761,473.84

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Solution

The fourth proportional to 1,958,711.45, 2,938,752.66 and 761,473.84 is: 1,142,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,711.45 : 2,938,752.66 = 761,473.84 : x
  2. Step 2: Convert to fraction form
    1,958,711.45/2,938,752.66 = 761,473.84/x
  3. Step 3: Cross multiply
    1,958,711.45x = 2,938,752.66 × 761,473.84
  4. Step 4: Simplify right side
    1,958,711.45x = 2,237,783,272,820.41
  5. Step 5: Solve for x
    x = 2,237,783,272,820.41/1,958,711.45
  6. Step 6: Final answer
    x = 1,142,477.25

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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.