Home / 1,380,415.04-2,070,826.56-706,877.12

Finding the Fourth Proportional to 1,380,415.04, 2,070,826.56 and 706,877.12

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Solution

The fourth proportional to 1,380,415.04, 2,070,826.56 and 706,877.12 is: 1,060,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,415.04 : 2,070,826.56 = 706,877.12 : x
  2. Step 2: Convert to fraction form
    1,380,415.04/2,070,826.56 = 706,877.12/x
  3. Step 3: Cross multiply
    1,380,415.04x = 2,070,826.56 × 706,877.12
  4. Step 4: Simplify right side
    1,380,415.04x = 1,463,819,914,752.31
  5. Step 5: Solve for x
    x = 1,463,819,914,752.31/1,380,415.04
  6. Step 6: Final answer
    x = 1,060,420.14

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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.