Home / 1,335,905.90-2,005,111.65-705,272.30

Finding the Fourth Proportional to 1,335,905.90, 2,005,111.65 and 705,272.30

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Solution

The fourth proportional to 1,335,905.90, 2,005,111.65 and 705,272.30 is: 1,058,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,905.90 : 2,005,111.65 = 705,272.30 : x
  2. Step 2: Convert to fraction form
    1,335,905.90/2,005,111.65 = 705,272.30/x
  3. Step 3: Cross multiply
    1,335,905.90x = 2,005,111.65 × 705,272.30
  4. Step 4: Simplify right side
    1,335,905.90x = 1,414,149,705,152.30
  5. Step 5: Solve for x
    x = 1,414,149,705,152.30/1,335,905.90
  6. Step 6: Final answer
    x = 1,058,569.85

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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.