Home / 1,959,679.71-2,938,763.70-761,444.28

Finding the Fourth Proportional to 1,959,679.71, 2,938,763.70 and 761,444.28

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Solution

The fourth proportional to 1,959,679.71, 2,938,763.70 and 761,444.28 is: 1,141,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,679.71 : 2,938,763.70 = 761,444.28 : x
  2. Step 2: Convert to fraction form
    1,959,679.71/2,938,763.70 = 761,444.28/x
  3. Step 3: Cross multiply
    1,959,679.71x = 2,938,763.70 × 761,444.28
  4. Step 4: Simplify right side
    1,959,679.71x = 2,237,704,809,636.64
  5. Step 5: Solve for x
    x = 2,237,704,809,636.64/1,959,679.71
  6. Step 6: Final answer
    x = 1,141,872.72

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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.