Home / 1,335,969.40-2,005,206.90-705,335.80

Finding the Fourth Proportional to 1,335,969.40, 2,005,206.90 and 705,335.80

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Solution

The fourth proportional to 1,335,969.40, 2,005,206.90 and 705,335.80 is: 1,058,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,969.40 : 2,005,206.90 = 705,335.80 : x
  2. Step 2: Convert to fraction form
    1,335,969.40/2,005,206.90 = 705,335.80/x
  3. Step 3: Cross multiply
    1,335,969.40x = 2,005,206.90 × 705,335.80
  4. Step 4: Simplify right side
    1,335,969.40x = 1,414,344,212,977.02
  5. Step 5: Solve for x
    x = 1,414,344,212,977.02/1,335,969.40
  6. Step 6: Final answer
    x = 1,058,665.13

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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.