Home / 1,335,905.40-2,005,110.90-705,271.80

Finding the Fourth Proportional to 1,335,905.40, 2,005,110.90 and 705,271.80

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Solution

The fourth proportional to 1,335,905.40, 2,005,110.90 and 705,271.80 is: 1,058,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,905.40 : 2,005,110.90 = 705,271.80 : x
  2. Step 2: Convert to fraction form
    1,335,905.40/2,005,110.90 = 705,271.80/x
  3. Step 3: Cross multiply
    1,335,905.40x = 2,005,110.90 × 705,271.80
  4. Step 4: Simplify right side
    1,335,905.40x = 1,414,148,173,642.62
  5. Step 5: Solve for x
    x = 1,414,148,173,642.62/1,335,905.40
  6. Step 6: Final answer
    x = 1,058,569.10

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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.