Home / 1,664,909.32-2,297,574.87-900,962.88

Finding the Fourth Proportional to 1,664,909.32, 2,297,574.87 and 900,962.88

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Solution

The fourth proportional to 1,664,909.32, 2,297,574.87 and 900,962.88 is: 1,243,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,909.32 : 2,297,574.87 = 900,962.88 : x
  2. Step 2: Convert to fraction form
    1,664,909.32/2,297,574.87 = 900,962.88/x
  3. Step 3: Cross multiply
    1,664,909.32x = 2,297,574.87 × 900,962.88
  4. Step 4: Simplify right side
    1,664,909.32x = 2,070,029,677,128.12
  5. Step 5: Solve for x
    x = 2,070,029,677,128.12/1,664,909.32
  6. Step 6: Final answer
    x = 1,243,328.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.