Home / 1,039,297.90-1,557,780.45-440,157.10

Finding the Fourth Proportional to 1,039,297.90, 1,557,780.45 and 440,157.10

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Solution

The fourth proportional to 1,039,297.90, 1,557,780.45 and 440,157.10 is: 659,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,297.90 : 1,557,780.45 = 440,157.10 : x
  2. Step 2: Convert to fraction form
    1,039,297.90/1,557,780.45 = 440,157.10/x
  3. Step 3: Cross multiply
    1,039,297.90x = 1,557,780.45 × 440,157.10
  4. Step 4: Simplify right side
    1,039,297.90x = 685,668,125,308.70
  5. Step 5: Solve for x
    x = 685,668,125,308.70/1,039,297.90
  6. Step 6: Final answer
    x = 659,741.66

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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.